Prathumtang, Pongsak, and Sittichai Thansriskul. “Problems and Affecting Factors of Solid Waste Management of Kaedam Subdistrict Municipality, Kaedam District, Mahasarakham Province”. Dhammathas Academic Journal 18, no. 3 (December 27, 2018): 151–162. accessed January 6, 2026. https://so06.tci-thaijo.org/index.php/dhammathas/article/view/133899.