- “Inequality and Oil Subsidy in Indonesia“, BFI Working Paper WPB2003.
- “Keuangan Komputasional: Jaring Saraf Buatan untuk Prediksi Data Deret Waktu Keuangan” (Indonesian), Working Paper WPE2003, Bandung Fe Institute Press, 2003.
- “Neural Network Revisited: Perception on Modified Poincare Map of Financial Time Series Data“, Working Paper WPG2003, Bandung Fe Institute Press, 2003. arxiv:cond-mat/0403620
- “DARI TRANSISI FASA KE SISTEM KEUANGAN: Distribusi Statistika pada Sistem Kompleks” (Indonesian), in co-authorship with Yohanes Surya, Working Paper WPQ2003, Bandung Fe Institute, 2003.
- “Stylized Statistical Facts of Indonesian Financial Data:Empirical Study of Several Stock Indexes in Indonesia“, in co-authorship with Yohanes Surya, Working Paper WPU2003, Bandung Fe Institute, 2003. arxiv:cond-mat/0403465
- “Agent Based Model Construction in Financial Economic System“, in co-authorship with Yohanes Surya, Working Paper WPAU2004, Bandung Fe Institute, 2004. arxiv:nlin.AO/0403041
- “Statistical Facts of Artificial Stock Market: Comparison with Indonesian Empirical Data“, in co-authorship with Yohanes Surya, Working Paper WPS2004, Bandung Fe Institute, 2004. arxiv:
- “Mungkinkah muncul Anti-Lonjakan Harga Minyak Dunia? Analisis Log-Periodik Lonjakan harga September-Oktober 2004″ (Indonesian), in co-authorship with Yohanes Surya, Working Paper WPU2004, Bandung Fe Institute, 2004.
- “Simulasi Investasi dengan Hukum Pangkat Zipf: Analisis Zipf-(m,2) dalam Teks Data Indeks Keuangan” (Indonesian), in co-authorship with Yohanes Surya, Working Paper WPC2005, Bandung Fe Institute, 2005.
- “Antara Saham Likuid dan Tak Likuid di Bursa Efek Jakarta: Perspektif Mekanika Statistika” (Indonesian), in co-authorship with Yun Hariadi and Yohanes Surya, Working Paper WPD2005, Bandung Fe Institute, 2005.
- “What can we see from Investment Simulation based on Generalized (m,2)-Zipf Law?“, in co-authorship with Yohanes Surya, Working Paper WPE2005, Bandung Fe Institute, 2005. arxiv:physics/0504210
- “Jejak Trading System pada Profil Investor” (Indonesian), in co-authorship with Yohanes Surya and Deni Khanafiah, Working Paper WPF2005, Bandung Fe Institute, 2005.
- “Membandingkan Sistem Perdagangan Saham dalam Aspek Likuiditas” (Indonesian), in co-authorship with Yun Hariadi and Yohanes Surya, Working Paper WPG2005, Bandung Fe Institute, 2005.
- “On Stock Market Dynamics through Ultrametricity of Minimum Spanning Tree“, in co-authorship with Yohanes Surya, Working Paper WPH2005, Bandung Fe Institute, 2005. cogprints:archieve-4357
- “Tree of Several Asian Currencies“, in co-authorship with Yohanes Surya, Working Paper WPI2005, Bandung Fe Institute, 2005.
- “Evaluating Indonesian Composite Index Drop“, in co-authorship with Yohanes Surya, Working Paper WPGJ2005, Bandung Fe Institute, 2005.
- “Herding to A Side of Order Book Balance“, in co-authorship with Yohanes Surya, Working Paper WPO2005, Bandung Fe Institute, 2005.
- “Value at Risk yang memperhatikan sifat statistika distribusi return” (indonesian), Working Paper WPGD2006, Bandung Fe Institute, 2006.
- “Perspektif Kompleksitas Dalam Melihat Fenomena Empiris Sistem Ekonomi” (indonesian), in co-authorship with Rolan Mauludy, Working Paper WPG2006, Bandung Fe Institute, 2006.
- “Kerangka Kerja Ekonofisika dalam Basel II” (indonesian), Working Paper WPI2006, Bandung Fe Institute, 2006.
- “Kompleksitas Pasar Modal dalam Ekonofisika” (indonesian), Paper Presented in Seminar with Topics “Applications of Physics in the Stock Market” in Universitas Bina Nusantara, Jakarta, April 13th 2007.
- “Zip‐Mandelbrot Law Attracts the Market Fluctuations“, Working Paper WPL2007, Bandung Fe Institute, 2007.
- “‘Evolutionary’ Investment Strategies: A White Paper Towards the Artificial Trading Intelligence Prototype”, in co-authorship with Rolan Mauludy & Deni Khanafiah, Working Paper WPM2007, Bandung Fe Institute, 2007.
- “Menuju Perspektif Ekonofisika untuk Posisi Strategis Ekonomi Indonesia di Kawasan Asia Pasifik” (indonesian), in co-authorship with Rolan Mauludy, Working Paper WPR2007, Bandung Fe Institute, 2007.
- “Hasil BackTesting Simulasi Perdagangan dengan Model Automated Trading Intelligence System (ATIS) dengan Sistem Akuntansi Perdagangan Nyata” (indonesian), Working Paper WPU2007, Bandung Fe Institute, 2007.
- “Pohon Keuangan untuk Aspek Fundamental Firma” (indonesian), in co-authorship with Deni Khanafiah, Working Paper WPY2007, Bandung Fe Institute, 2007.
- “The Global and Local in Phillips Curve“, BFI Working Paper Series WP-XIV-2008. Bandung Fe Institute.
- “Menggambar Neksus Tiga Titik: Sebuah Rekomendasi Saintifik Untuk Kebangkitan Indonesia” (in Indonesian). Co-authorship with Rolan Dahlan. BFI Working Paper Series WP-1-2009. Bandung Fe Institute.
- “Krisis Global & Rekrutmen Politik Indonesia 2009: Tinjauan Interdisipliner Aktual Ekonofisika“. BFI Working Paper Series WP-5-2009. Bandung Fe Institute.
- “Evolutionary Economics celebrates Innovation and Creativity based Economy”. The Icfai University Journal of Knowledge Management IJKM10903. Icfai University Press.
- “Landscape in the Economy of Conspicuous Consumptions“. BFI Working Paper Series WP-5-2010.
- “Happiness: Between What We Want and What We Need“. BFI Working Paper Series WP-6-2011.
- “Representasi Emosi dalam Lirik Lagu Pop Indonesia“. (Indonesian). BFI Working Paper Series WP-7-2011.
- “The Moral of Politics Constitutes Ideological Perspectives“. BFI Working Paper Series WP-8-2011.
- “Indonesian Stock Market Crisis Observation with Spectral and Composite Index“. BFI Working Paper Series WP-1-2012.
- “Market and Product Diversification within the World Export Network: Zooming in Indonesia and countries in Latin America“. BFI Working Paper Series WP-3-2012.
- “Indonesian Innovations on Information Technology 2013: Between Syntactic and Semantic Textual Network“. BFI Working Paper Series WP-2-2013.