Beberapa penelitian yang pernah dilakukannya adalah sebagai berikut:

1. Analisis Perilaku Indeks Harga Volatile Food (Analysis of Volatile Food Price Index Behaviour) Direktorat Riset Ekonomi dan Kebijakan Moneter. Bagian Studi Sektor Riil Bank Indonesia (Real Sector Division Directorate of Economic Research and Monetary Policy of Bank Indonesia), 2004.
2. Dampak Kebijakan Perdagangan Protektif dan Liberal terhadap Sektor Pertanian dan non Pertanian (Impact of Trade Policy to Both agriculture and non Agriculture Sector) Direktorat Riset Ekonomi dan Kebijakan Moneter. Bagian Studi Sektor Riil Bank Indonesia (Real Sector Division Directorate of Economic Research and Monetary Policy of Bank Indonesia), 2004
3. Analisis Integrasi Pasar Beras (Analysis of Rice Market Integration). Direktorat Riset Ekonomi dan Kebijakan Moneter. Bagian Studi Sektor Riil Bank Indonesia (Real Sector Division Directorate of Economic Research and Monetary Policy of Bank Indonesia), 2004.
4. Dampak Liberalisasi Perdagangan terhadap Permintaan dan Harga Komoditas Pertanian (Impact of Trade Liberalization on Demand and Price of Indonesia Agricultural Commoditiy). Direktorat Riset Ekonomi dan Kebijakan Moneter. Bagian Studi Sektor Riil Bank Indonesia (Real Sector Division Directorate of Economic Research and Monetary Policy of Bank Indonesia), 2004.
5. Model spillover dan feedback Ekonomi Indonesia dalam Kerangka Kerja Disequlibrium (Modelling Spillovers and Feedback of Indonesia Economy in Disequilibrium Framework). Direktorat Riset Ekonomi dan Kebijakan Moneter. Bagian Studi Sektor Riil Bank Indonesia (Real Sector Division Directorate of Economic Research and Monetary Policy of Bank Indonesia), 2004.
6. Analisis Vector Error Correction Model Perilaku PDB Pertanian Indonesia (Vector Error Correction Model: Behavoiur Analysis of Agriculture Production in Indonesia). Direktorat Riset Ekonomi dan Kebijakan Moneter. Bagian Studi Sektor Riil Bank Indonesia. Real Sector Division Directorate of Economic Research and Monetary Policy of Bank Indonesia), 2004.
7. Perilaku Ekonomi Rumah Tangga Nelayan di Bengkulu, Studi Household Model (Behaviour of fisherman household in Bengkulu). Lembaga Penelitian Universitas Bengkulu (Research Center of Bengkulu University), 2001.
8. Analisis Penawaran dan Permintaan Beras di Luar Jawa (Supply and Demand Analysis of Rice for Off Java) Penelitian Mandiri di Program Pascasarjana Institut Pertanian Bogor (Bogor Agricultural University), 2001.
9. Penentuan Sektor Kunci dalam Pembangunan Ekonomi Kabupaten Bangkalan: Studi Model Input-output (Analysis of Key Sectors in Bangkalan Regional Development: input-output Study) Program Pascasarjana Institut Pertanian Bogor (Bogor Agricultural University), 1999.
10. Mengatasi Sadap Berat dalam PIR Perkebunan Karet Melalui Manajemen Kelembagaan (The Solving of Over Tapping in Nucleus Estate and Small holder Scheme by Institutional Arrangement). Penelitian Mandiri di Program Pascasarjana Institut Pertanian Bogor (Bogor Agricultural University), 1999.
11. Penentuan Model terbaik dan Analisis Efisiensi Ekonomi Produksi Padi di Kabupaten Bengkulu Utara (Determination of The Best Production Model of Paddy and Its Efficiency analysis for North Bengkulu). Penelitian Mandiri di Jurusan Sosial Ekonomi Faperta Universitas Bengkulu (Department Socioeconomic, Faculty of Agriculture, Bengkulu University), 1996.
12. Kajian Sosial Ekonomi Petani karet Rakyat Tradisional ( Socioeconomic Study of Small holder Rubber, case at Desa Ngulak I, South Sumatera). Penelitian Mandiri di Jurusan Sosial Ekonomi Faperta Universitas Bengkulu (Department Socioeconomic, Faculty of Agriculture, Bengkulu University), 1994.
13. Evaluasi Pelaksanaan Registrasi Penduduk di Kotamadya Bandar Lampung (Evaluation of Citizen registration in Bandar Lampung). Pusat Penelitian Kependudukan Universitas Sriwijaya (Center of Demography Study, Sriwijaya University), 1993.
14. Tim Pengumpul data Lapangan. 1992 ((The member of enumerator team. 1992). Analisa Dampak Lingkungan (ANDAL) Peningkatan Jaringan Tata Reklamasi Rawa Pasang Surut Sugihan Kiri Jalur 18 dan 20 Kabupaten Musi Banyuasin Sumatera Selatan (Environmental cost-benefit Analysis for Reclamation of Swamp Irrigation at Sugihan Kiri).

1. Analisis Perilaku Instabilitas Perekonomian Indonesia; Pendekatan Keterkaitan Ekonomi Makro, Perdagangan Internasional dan Sektor Pertanian. (The Dynamic Behaviour of Macroeconomy-Trade-Agriculture Linkages in The Indonesian Economy). Buletin Ekonomi Moneter dan Perbankan (BEMP) Vol 8 No 3 Desember 2005. ISSN 1410-8046
2. Mengimplementasikan Strategi Revitalisasi Pertanian Secara Efektif. Jurnal Agrisep Vol 3 No 2, 2005. hal 136-151. ISSN 1412-8837
3. Analisis Penawaran dan Permintaan Beras di Luar Jawa (Supply and Demand Analysis of Rice for Off Java). Jurnal Ilmiah Manajemen dan Akuntansi. Fakultas Ekonomi Universitas Pakuan. Vol 6. 8 September 2005. pp 50-62. ISSN 1410-6132
4. Analisis Perilaku Instabilitas, Pergerakan Harga, Employment, dan investasi di dalam sector Pertanian Indonesia: Aplikasi Vector Error Correction Model (behaviour Analysis of Instability, price movement, employment and Investment in Indonesia's Agricultural Sector: Application of Vector Error Correction Moder). Buletin Ekonomi Moneter dan Perbankan. Bank Indonesia. Vol 8. No 1 Juni 2005. pp 79-115. ISSN 1410-8046.
5. Analisis Perilaku Sektor Pertanian Indonesia: Aplikasi Vector Error Correction Model (Analysis of Agricultural Sector Behaviour in Indonesia: Application of Vector Error Correction Model) . Jurnal Ekonomi & Bisnis Indonesia Vol 20. No 3. Juli 2005. pp 250-265. Fakultas Ekonomi UGM. ISSN 0215-2487
6. Komoditas Pertanian Indonesia. Target Ekspor dan Hambatan Sisi Permintaan dan Penawaran. (Export Target of Indonesia Agricultural Commodity. Obstacle in Supply and Demand Side). Majalah Agribisnis Manajemen dan Teknologi Agrimedia Volume 9 No.2 Desember 2004. pp 45-50. ISSN 0853-8468
7. Perbaikan Kinerja BUMN melalui Privatisasi (Improving Performance of State-owned Enterprises by Privatization). Majalah Agribisnis Manajemen dan Teknologi Agrimedia Volume 8 No 2, Aprill 2003. pp 54-57. ISSN 0853-8468
8. Behaviour of Paddy Supply and its implication to Production Improvement. Proceeding of 2001 Perspective Agriculture and Forestry Development in 2001 and forward. 2001. ISBN: 979-8094-68-9.
9. Analisis Respon Penawaran Padi Sawah dan Ladang di Jawa dan Luar Jawa (Supply Response Analysis of Paddy in Java and off Java). Jurnal Ekonomi dan Keuangan Indonesia (Journal of Economic and Finance In Indonesia) Vol XLVII No 1. 1999. pp 19-31. ISSN 0126-155X.
10. Kebijakan Harga dan Keberlanjutan Produksi Padi (Price Policy and Sustainability of Paddy Production). Jurnal Ekonomi dan Keuangan Indonesia (Journal of Economic and Finance In Indonesia) Vol XLV No.4. 1997. pp. 579-586. ISSN 0126-155X.
11. Penentuan Model terbaik dan Analisis Efisiensi Ekonomi Produksi Padi di Kabupaten Bengkulu Utara (Determination of The Best Production Model of Paddy and Its Efficiency Analysis for North Bengkulu). Jurnal VISI (Journal VISI) Vol 5 No. 3 Oktober 1997. pp. 36-49 ISSN 0853-0203.
12. Mensikapi Ilmu sebagai Proses Berpikir Manusia (Science as Learning and Thinking Process of Man). VISI Vol 5 No. 1. Februari 1997. pp. 75-86. ISSN 0853-0203.
13. Kajian Sosial Ekonomi Petani karet Rakyat Tradisional (Socioeconomic Study of small Holder Rubber). Jurnal VISI (Journal VISI) Vol 4 No 2 Desember 1995. pp. 115-128. ISSN 0853-0203
14. Profil Sosial Ekonomi Petani Karet Rakyat. Studi Kasus Desa Ngulak I Sumatera Selatan (Socioeconomic Study of Small holder Rubber, case at Desa Ngulak I, South Sumatera) Majalah Ilmiah Sriwijaya (Scientific Magazine Sriwijaya). Vol 31 No 1. 1995. ISSN 0126-4680
15. Keterlibatan Wanita Pedesaan pada Industri Rumah Tangga Sulaman di Desa Tanjung Tambak, Sumatera Selatan (Involvement of Rural Women in Home Industry at Desa Tanjung Tambak South Sumatera). Majalah Ilmiah Sriwijaya (Scientific Magazine Sriwijaya). Vol 31 No 2. 1995. pp. 52-58 ISSN 0126-4680

A. Analisis Ekonomi:

1. Revitalisasi Fungsi Negara (Revitalization of the function of State in Economy). Republika 29 Maret 2006.
2. Rekonstruksi Manajemen Pangan (Reconstruction of Food Management). Republika 22 February 2006.
3. Panen Raya Sebentar Lagi (While Harvesting Coming). Koran Tempo 15 February 2006.
4. Ekonomi-Politik Impor Beras (Political Economic Perspective in Rice Import Policy). Republika 6 January 2006.
5. Impor Beras dan Paradoks Demokrasi (Rice Import and Democration Paradox). Koran Tempo 21 December 2005.
6. Menyoal Argumentasi Kenaikan Harga BBM (Asking about Reason for policy of Raising Fuel Oil Price). Republika 28 September 2005.
7. Logika Absurd Urgensi Impor Beras (Absurdity Reason for Urgency of Rice Import). Koran Tempo 27 September 2005.
8. Tafsir Keadilan Atas Harga BBM (Justice interpretation on policy of Raising Fuel Oil Price). Media Indonesia 21 September 2005
9. Filosofi Kenaikan Harga BBM (Philosophy of Raising Fuel Oil Price ). Koran Tempo 15 September 2005.
10. Korupsi Hancurkan Ekonomi. (Corruption destroyed economy). Suara Karya 13 June 2005.
11. Targeting Program Kompensasi BBM.(Targeting in BBM's Compensation Program). Suara Karya. 5 April 2005.
12. Kemelut Lelang Gula Impor Ilegal. Suara Karya. (Public Criticism to The Auction of Illegal Import Sugar). 14 February 2005.
13. Proyek Infrastruktur dan Good Governance (Infrastructure Project and Good Governance). Koran Tempo 27 January 2005.
14. Utang Luar Negeri Pasca Tsunami (Foreign Debt After Tsunami). Koran Tempo 11 January 2005.
15. Dilema Aktualisasi Subsidi Pupuk. (Dilemma of actualize Fertilizer Subsidiy). Suara Karya 10 January 2005.
16. Dilema Kenaikan Harga BBM. (Dilemma of Raising Fuel Oil Price). Suara Karya 29 December 2004.
17. Kebijakan Subsidi Pupuk, Masihkah Efektif? (Is Subsidiy of Fertilizer running effectively?) Republika. 20 December 2004.
18. Haruskah Publik Mendukung Rencana Kenaikan Harga BBM. (Should Public Support Government Planning to raise Fuel Oil Price). Sinar Harapan 8 December 2004.
19. TPST Bojong dan Kegagalan Pareto Optimal (TPST Bojong; Failure to Achieve Pareto) Optimal. Koran Tempo. 01 December 2004.
20. Kebijakan Tata Niaga Gula (Sugar's Trade Regulation Policy) Koran Tempo 8 Juni 2004.
21. Impor Beras dan Petani Kita (Rice Import and Our Peasants) Koran Tempo 11 December 2003.
22. Sekali Lagi Tentang Korupsi (Talking About Corruption ). Koran Tempo 2 December 2003.
23. Misi APEC Jauh Panggang dari APi (APEC's Mission; Gap Between Goal and Reality). Suara Karya 25 November 2004.
24. APEC dan Hegemoni AS (APEC and United State's Hegemony). Sinar Harapan 22 November 2004.
25. Tahun Padi Nasional (2004: National Rice Year). Koran Tempo 29 October 2003.
26. Masyarakat Adat dan RUU Pengelolaan Sumberdaya Alam (Local Community in Bill of Natural Resources Act). Koran Tempo. 23 October 2003.
27. Membangun Modal Sosial Bangsa (Improving Our Social Capital). Suara Pembaruan 15 October 2003
28. Ketika Air Mengalir ke Atas Menuju Uang (When Water Flows up to the Money). Sinar Harapan 30 September 2003.
29. Sekali Lagi tentang Privatisasi Air (Water Privatization). Koran Tempo 26 September 2003.
30. Liberalisasi Pasar dan sektor Pertanian Kita (Market Liberation and our Agricultural Sector). Koran Tempo 16 September 2003.
31. Liberalisasi Pasar Bagi Petani Kita (Impact of Market Liberation on our Peasants). Sinar Harapan 11 September 2003.
32. Mensukseskan Program Beras Gratis (Free Rice Program for the peasant whom their rice fields have dried up). Koran Tempo. 4 September 2003.
33. Mengatasi Peyelundupan Gula (How to minimize the Illegal Sugar ). Koran Tempo 23 August 2003.
34. Pendidikan Barang Privat atau barang Publik? (Education, Privat good or public good?). Koran Tempo. 6 July 2003.
35. Pendidikan Mahal; Quo Vadis Human Capital Kita (Expensive Education; Quo Vadis Our Human Capital). Suara Karya Juli 2003.
36. Adakah Keberpihakan Negara pada Petani (Laissez Fair Paradigm of Government and Its Impact to Our Peasants). Koran Tempo 20 June 2003.
37. Meningkatkan Posisi Tawar politik Petani (Improving Political Bargainning Position of Farmers). Koran Tempo 23 May 2003.
38. Kebijakan Fiskal untuk Melindungi Petani (Fiscal Policy for Our Farmers). Media Indonesia 19 Mei 2003.
39. Kelangkaan Gula dan Pasar Politik (Sugar Scarcity and poltical Market). Media Indonesia 30 April 2003.
40. Efektifkah Kebijakan Tata Niaga Gula Menolong Petani? (Can Sugar Trading Policy help Farmers Effectively). Sinar harapan. 25 April 2003.
41. Dibalik Kebijakan Tata Niaga Gula (Behind the Sugar Trading Policy). Koran Tempo. 22 April 2003.
42. Fundamentalisme Pasar dan Agennya di Indonesia (The Market Fundamentalism and Its Agent in Indonesia). Media Indonesia. 3 February 2003.
43. Dilema Posisi Pemerintah dalam Konflik Perburuhan (The Role of Government in Labor Conflict). Media Indonesia. 11 January 2003.
44. Nasib Hutan dan Otonomi Daerah (Our Forest in Decentralization Era). Media Indonesia. 9 January 2003.
45. Penolakan Privatisasi PT Indosat (Public Resistance of PT Indosat Privatization) . Koran Tempo. 3 January 2003.
46. Ketahanan Pangan yang Berpihak Kepada petani (Food Security Sides with the Farmers). Media Indonesia. Edisi Khusus akhir tahun dengan tema " Mimpi Kaum Muda tentang Indonesia Masa Depan. 20 December 2002.
47. Titik Temu Konflik Pekerja-Investor (Economic Interest Similarity Between Labor and Investor). Sinar Harapan. 19 December 2002.
48. Mengatasi Pengangguran dengan Investasi Pemerintah (Solving Unemployment Problem with Government Investment). Koran Tempo, 13 December 2002.
49. Pemihakan Distribusi Beras Kepada petani (Rice Distribution Sides with the Farmers). Media Indonesia. 08 November 2002.
50. Proteksi Industri Manufaktur (The Protection of Manufacture Industry). Koran Tempo. 25 October 2002.
51. Konversi Lahan Ancam Ketahanan Pangan (Agricultural Land Conversion Threaten Food Security). Media Indonesia 25 October 2002.
52. Mengurangi Gula Impor (How to reduce the Sugar import). Koran Tempo. 02 October 2002.
53. Dampak Suap dan Korupsi terhadap Kinerja Ekonomi (The Impact Bribe and Corruption on our Economy). Sinar Harapan. 01 October 2002.
54. Kendala Struktural Petani (Farmer's Structural Constraint). Media Indonesia. 30 September 2002.
55. Nasib Petani dan Gula Ilegal (Our Farmers and Illegal Sugar). Republika. 24 September 2002.
56. Anggaran Pendidikan dan Investasi "Human Capital" Kita (Education Budget and Our Human Capital Investment). Sinar Harapan. 21 September 2002.
57. TKI Ilegal dan Solusi nya (The Solutions for Our Illegal Labors In Malaysia). Koran Tempo. 06 September 2002.
58. Kasus PT QSAR-Batutulis, Refleksi Degradasi Akal Sehat (PT QSAR-Batutulis; Phenomenon of Public Intelligence Degradation). Sinar Harapan. 31 August 2002.
59. Rasionalitas Perilaku Investasi (Kasus PT Qurnia Subur Alam Raya) (Rationality of Investment Behaviour (Case PT Qurnia Subur Alam Raya)). Koran Tempo 30 August 2002.
60. Menggerakkan Investasi di Sektor Riil (Investment Stimulation on Real Sector). Republika 24 August 2002.
61. Misi RAPBN 2003; Antara Stabilisasi dan Stimulasi (The Mission of government budgeting and expenditure Planning 2003; Between Stabilisation and Stimulation). Sinar Harapan. 21 August 2002.
62. Kebijakan ketahanan Pangan di Musim Kering (Food Security Policy in Dry Season) Sinar Harapan. 25 July 2002.
63. Menuju Kebijakan Pertanian Yang Komprehensif (Toward Comprehensive Agricultural Policy). Koran Tempo 04 July 2002.
64. Ketahanan Pangan dan Keberpihakan Kepada Petani (Food Security and Government Policy to Help Farmers). Suara Pembaruan 1 July 2002.
65. Membenahi Kebijakan Pergulaan Nasional (Repairing Our Policy in Sugar's Industry). Koran Tempo 15 June 2002.
66. Mengevaluasi Peran IMF (Evaluate IMF's Role in Indonesia). Republika 12 June 2002.
67. Impor dan Nasionalisme Ekonomi Kita (Import and our Economy Nationalism). Republika 3 June 2002.
68. Kelangkaan Beras (Scarcity of Rice). Koran Tempo, 19 January 2002.
69. "Capital Flight" dan Perekonomian Kita (Capital Flight and our Economy). Sinar Harapan, 23 August 2001.
70. Pemulihan Ekonomi dan Suksesi Kepemimpinan (Economic Recovery and National Leadership Succession). Koran Tempo, 8 June 2001.
71. Dampak Pencabutan Subsidi Terhadap Human Capital (Impact of Subsidy Reduction on Human Capital). Koran Tempo, 25 May 2001.
72. Paradox Development dan Otonomi Daerah (Paradox Development and Area Autonomy). Suara Karya, 10 May 2001.
73. Kebijakan Harga Dasar Gabah dan Paradigma Laissez Fair (Floor Price Policy of Rice and Laissez Fair Paradigm). Republika, 24 January 2001.
74. Jadikan Bulog Pengontrol Harga Gabah (Making Bureau of Logistic (Bulog) as Rice Price Cotroller). Suara Karya, 10 April 2000.
75. Beras dan Bulog ( Rice and Bureau of Logistic (Bulog)). Suara Karya, 30 September 1998.
76. Social Capital. Tabloid AKSI, Vol 2 No 97. 22-28 September 1998
77. Agroindustri dan Ekonomi Rakyat (Agroindustry and Small Scale Economy) Suara Karya 20 August 1998.
78. Membangun Agroindustri berbasis Beras (Develop Rice-base Agroindustry). Suara Karya 15 April 1998.
79. Beras (Rice). Majalah Ekonomi dan Bisnis PILAR (Economics and Business Magazine PILAR). No 07/Th I/8-21 April 1998
80. Misi Pembangunan Agroindustri; Suatu Tinjauan (Development Mission of Agroindustry). Suara Karya, 12 January 1998
81. Memberdayakan Petani Kita (Empowerment of Our Peasant). Harian Ekonomi Neraca, 4 December 1997.
82. Patriot Ekonomi dan Modal Sosial Pembangunan (Economic Patriot and Social Capital in Economic Development) Harian Ekonomi Neraca, 1 December 1997
83. Pengusaha Besar dan Roh Kemitraan (Big Entrepreneur and Spirit of Patnership) Harian Ekonomi Neraca, 22 November 1997
84. Tantangan Jawa sebagai Pemasok Beras Utama (Java Struggle as the Biggest of Rice Supplier in Indonesia). Suara Karya,16 October 1997.
85. Sekali Lagi Tentang Kapitalisme (Once More About Capitalism) Harian Ekonomi Neraca , 22 September 1997
86. Tentang Fenomena Kemiskinan (About Poverty Phenomenon ) Harian Ekonomi Neraca ,18 September 1997
87. Petani Kita dan Era Pasar Bebas (Our Peasant and Free Market era) Suara Karya, 9 September 1997.
88. Urgensi Pengembangan Agroindustri Pedesaan (Urgency of Rural Agroindustry Development). Harian Ekonomy Neraca 19 June 1997.
89. Kebijakan Harga dan Keberlanjutan Produksi Padi (Price Policy and Sustainability Production of Rice). SUARA PEMBARUAN 14 February 1997.
90. Kebijakan Harga dan Keberlanjutan Produksi Padi di Luar Jawa (Price Policy and Sustainability of Paddy Production). KOMPAS 13 February 1997

1. Lagi, Soal Reshuffle Kabinet (Talking about Cabinet Reshuffle). Harian Seputar Indonesia. Saturday 3 December 2005.
2. Kenaikan Gaji DPRD DKI. (The Public Criticism of Raising Take Home Pay Policy to Members of DKI Jakarta Assembly). Koran Tempo 18 October 2005.
3. Modal Sosial Lewat Puasa (Social Capital via "Puasa"). Koran Tempo 6 October 2005.
4. Menjaga Ekspetasi Publik terhadap Partai Dakwah (Keeping good expectation on "Partai Dakwah" ). SAKSI no. 18 Tahun VII 8 Juni 2005 hal 52-53.
5. Wong Cilik dan Fenomena Politik Gambit (Little Fellow and Phenomenon of Gambit Politics). Republika, 17 September 2002.
6. Pemberantasan Korupsi di Era Megawati (Efforts to Eliminate Corruption in Megawati's Era). Republika, 5 February 2002.
7. Presiden Wanita, Mengapa Tidak? (Woman as a president, Why not?) Republika, 17 March 2001.
8. Ihsan (Under God's Watching). Kolom Hikmah Republika, 2 February 2001
9. Malu (Spirit of Ashamed) Kolom Hikmah Republika 12 january 2001.
10. Legitimasi Sang Pemimpin (Legitimation of The Leader). Kolom Hikmah Republika 7 August 2000.
11. Puasa Bicara (Stop Waste Talking) . Kolom Hikmah Republika 24 July 2000.
12. Kroni Penguasa (Political Authorities crony). Kolom Hikmah Republika 14 July 2000.
13. Sikap Hidup Pejabat (Attitude of Political Authorities). Kolom Hikmah Republika 23 June 2000.

1. Quo Vadis Strategi Revitalisasi PertanianIndonesia, An invited Paper in Munas I DPP Partai Keadilan Sejahtera (Komisi Ekonomi, keuangan, Industridan Teknologi), Gedung Koni Lantai 2, Jakarta, 29 July 2005.
2. Membernaskan Strategi Revitalisasi Pertanian (How to Make Government Strategy of Agriculture Revitalization Run Effectively),An invited Paper presented in Seminar Nasional Masyarakat Ilmuwan dan Teknologi Indonesia, Wisma Handayani DIKDASMEN Jakarta, 19 June. 2005.
3. Bulog, Sukhoi dan Nasib Petani Indonesia, Pembicara dalam Diskusi Nasional yang diselenggarakan olehBadan Ekseskutif Mahasiswa IPB, Bogor, 19 Juni 2003.
4. Mengembangkan Ekonomi Masyarakat Dengan Meningkatkan Posisi Tawar Usaha Kecil dan Menengah, An invited paper presented to Workshop "Peningkatan Wawasan Perangkat Kelembagaan Tingkat Kelurahan Wilayah Kotamadya Jakarta Barat", Hotel Menara Peninsula, Jakarta Barat, 2 Juni 2003.
5. Bagaimana Menulis di Media (How to write media article), An invited paper to Workshop "Penulisan Opini bagi Anggota Legislatif Daerah PartaiKeadilan Jawa Barat", Cipanas, Jawa Barat, 28-29 September 2002.
6. Ekonomi Islam Sebagai Alternatif(Islam Economics as An alternative ). An Invited paper presented to Seminar "Fiqh Zakat dan Ekonomi Islam", Cianjur, Jawa Barat, 18 November 2000.