Vason Silpasuwan. 1997. STD/AIDS curriculum development project under the European Community's Programme on HIV/AIDS in developing countries. Bangkok:Mahidol University;
Vason Silpasuwan. (1997) STD/AIDS curriculum development project under the European Community's Programme on HIV/AIDS in developing countries (รายงานผลงานวิจัย). Mahidol University:Bangkok.
Vason Silpasuwan. STD/AIDS curriculum development project under the European Community's Programme on HIV/AIDS in developing countries. Bangkok:Mahidol University, 1997.
Vason Silpasuwan. (1997) STD/AIDS curriculum development project under the European Community's Programme on HIV/AIDS in developing countries (รายงานผลงานวิจัย). Mahidol University:Bangkok.