Co, E. A., & Tabunda, C. C. J. (2017). The ASEAN drama: Half a century and still unfolding. University of the Philippines Center for Integrative and Development Studies and the Development Academy of the Philippines, Pasig City.

Co, Edna A., and Carlos C. Jr Tabunda. The ASEAN Drama: Half a Century and Still Unfolding. Diliman, Quezon City: University of the Philippines Center for Integrative and Development Studies and the Development Academy of the Philippines, Pasig City, 2017.

Co, Edna A., and Carlos C. Jr Tabunda. The ASEAN Drama: Half a Century and Still Unfolding. University of the Philippines Center for Integrative and Development Studies and the Development Academy of the Philippines, Pasig City, 2017.