Thiangtrong, Patama, and Prachak Bouphan. 2017. “The cooperation of the population of Isan in solid waste management: an investigation undertaken at the Isan sub –district municipality of Muang district Buriram province”. Asia-Pacific Journal of Science and Technology 16 (5):575-86. https://so01.tci-thaijo.org/index.php/APST/article/view/83404.