- Perspectives of A Cambodia Development for Peace in the Context of Southeast Asian Integration (1995) [Khmer and English][44]
- Cambodia in ASEAN (1995) [English][45]
- Peace from the Heart (1996) with Samraing Kamsan [Khmer][46]
- Peace and Cooperation: Alternative Paradigms (1997) with Din Merican [English][47]
- ASEAN Free Trade Agreement: Implications and Future Directions (1997) with Sarah Kanter [English][48]
- Women’s Political Voice in ASEAN: Sharing a Vision (1997) with Norbert von Hofmann [English][49]
- Cambodian Approach to Conflict Resolution (1998) with Samraing Kamsan [Khmer][50]
- Skepticism, Outrage, Hope: Reactions to the Death of Pol Pot (1998) with Tania Theriault [English][51]
- ASEAN A to Z: A Lexicon of ASEAN-Related Terminology (1998)[52]
- Cambodia’s Future in ASEAN: Dynamo or Dynamite? (1998) with Jeffrey A. Kaplan [English][53]
- National Elections: Cambodia’s Experiences and Expectations (1998) with Norbert von Hofmann [English][54]
- Cambodia and the International Community: The Quest for Peace, Development, and Democracy (1998)[55]
- Principles Under Pressure: Cambodia and ASEAN’s Non-Interference Policy (1999) with Jeffrey A. Kaplan [English][56]
- Shared Leadership and Trust Building in Cambodia: Learning from the Past, Sharing Experiences, Views and Visions, and Drawing Lesson for the Future (1999) with Samraing Kamsan [Khmer and English][57]
- Grassroots Democracy in Cambodia: Opportunities, Challenges and Prospects (1999) with Samraing Kamsan [Khmer and English][58]
- ASEAN 10 is Born: Commemorating Cambodia’s Entry into ASEAN (1999) [English][59]
- Banking on Knowledge: The Genesis of the Global Development Network, “The challenges of intervention for Cambodian think tanks” (2000) [English]
- The Greater Mekong Sub region and ASEAN from Backwaters to Headwaters (2000) with Jeffrey A. Kaplan [English][60]
- Cambodia in the New Millennium: Managing the Past and Building the Future (2000) with Samraing Kamsan [Khmer][46]
- Emerging Civil Society in Cambodia: Promotion of Human Rights and Advancement of Democracy (2001) with Samraing Kamsan and Luy Chanphal [Khmer][61]
- ASEAN A to Z: A Lexicon of ASEAN-Related Terminology, 2nd Edition (2001)[46]
- Building Civil Society for Good Governance in Cambodia: Achievements, Challenges and Prospects (2001) with Samraing Kamsan [Khmer][46]
- The Role and Function of Cambodian Parliament: Achievements, Challenges and Prospects (2001) with Van Buntheth and Luy Chanphal [Khmer][62]
- Cambodia’s Foreign Policy and ASEAN: from non-alignment to engagement (2002) [English][15]
- Whispering in the Ears of Power: The Role of ASEAN Track-Two Diplomacy (2002) [English][63]
- Communal Council Elections and Grassroots Democracy in Cambodia (2002) with Samraing Kamsan and Inn Tong Ann [Khmer][46]
- Civil-Military Relations in Cambodia: Issues, Challenges and Prospects (2002) [Khmer and English][64]
- Strengthening Civil Society-Government Partnership for Good Governance and Development in the Public Sector in Cambodia: Achievements, Challenges and Future Directions (2002) with Samraing Kamsan [Khmer][65]
- Elections in Cambodia: Lessons Learned and Future Directions (2002) [Khmer and English][66]
- Sustainable Development, Poverty Reduction and Good Governance in Cambodia (2002) with Chap Soptharith [Khmer][46]
- Military Reform in Cambodia: Demobilization and Reintegration (2002) with Inn Tong Ann [Khmer][67]
- Strengthening Civil Society-Parliament Partnership for Good Governance in Cambodia: Achievements, Challenges and Prospects (2003) with Samraing Kamsan [Khmer][68]
- Legislative Review and Development in Cambodia in the Last Ten Years: Achievements, Challenges and Prospects (2004) with Samraing Kamsan [Khmer and English][69]
- The Making of the ASEAN Charter, “A Personal Reflection” (2009) by Tommy Koh (2009) [English][70]
