Pongsakorn Ooppapong. 2002. The role of Tambon administrative organizational committee for sustainable natural resources management in Kanchanaburi province. Field of Study Environmental Education, Mahidol University;
Pongsakorn Ooppapong. (2002) The role of Tambon administrative organizational committee for sustainable natural resources management in Kanchanaburi province . Mahidol University/Bangkok.
Pongsakorn Ooppapong. The role of Tambon administrative organizational committee for sustainable natural resources management in Kanchanaburi province. . Bangkok:Mahidol University, 2002.
Pongsakorn Ooppapong. (2002) The role of Tambon administrative organizational committee for sustainable natural resources management in Kanchanaburi province . Mahidol University/Bangkok.