Adijaya Yusuf, 'The Author' (2000), pp. 3–3, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Adijaya Yusuf, 'Acknowledgement' (2000), pp. 4–4, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Adijaya Yusuf, 'List of Abbreviations' (2000), pp. 9–12, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Adijaya Yusuf, 'Preface' (2000), pp. 13–14, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Adijaya Yusuf, 'Chapter I. Origins and Development' (2000), pp. 15–18, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Adijaya Yusuf, 'Chapter II. The Announced and Actual Aims and Purposes; The Scope of Intended Cooperation and Integration' (2000), pp. 19–22, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Adijaya Yusuf, 'Chapter III. Survey on the Evolution of Cooperation and Integration' (2000), pp. 23–58, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Adijaya Yusuf, 'Chapter IV. ASEAN Membership: From Five to Ten' (2001), pp. 59–62, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Adijaya Yusuf, 'Chapter V. Organizational Structure' (2000), pp. 63–86, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Adijaya Yusuf, 'Chapter VI. Future Prospects' (2000), pp. 87–92, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Adijaya Yusuf, 'Appendix 1. The ASEAN Declaration (Bangkok Declaration) (1967)' (2000), pp. 93–96, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Adijaya Yusuf, 'Appendix 2. Zone of Peace Freedom and Neutrality Declaration (1971)' (2000), pp. 97–98, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Adijaya Yusuf, 'Appendix 3. Declaration of ASEAN Concord (1976)' (2000), pp. 99–102, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Adijaya Yusuf, 'Appendix 4. Treaty of Amity and Cooperation in Southeast Asia (1976)' (2000), pp. 103–108, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Adijaya Yusuf, 'Appendix 5. Protocol Amending the Treaty of Amity and Cooperation in Southeast Asia (1987)' (2000), pp. 109–110, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Adijaya Yusuf, 'Appendix 6. Second Protocol Amending the Treaty of Amity and Cooperation in Southeast Asia (1998)' (2000), pp. 111–112, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Adijaya Yusuf, 'Appendix 7. Asean Declaration on the South China Sea (1992)' (2000), pp. 113–114, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Adijaya Yusuf, 'Appendix 8. Concept Paper on the ASEAN Regional Forum (1995)' (2000), pp. 115–122, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Adijaya Yusuf, 'Appendix 9. Treaty on the Southeast Asia Nuclear Weapon-Free Zone (1995)' (2000), pp. 123–136, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)

Adijaya Yusuf, 'Appendix 10. The ASEAN Troika' (2000), pp. 137–138, in Wouters Prof. Dr Jan (Volume Editor), Roger Blanpain (General Editor), Michele Colucci (Associate General Editor) International Encyclopaedia for Intergovernmental Organizations (Kluwer Law International, The Netherlands)