Liengjindathaworn, Orathai. “Innovation in Community Waste Management and Environmental Development of Phang Ken Subdistrict Administrative Organization, Ubon Ratchathani Province”. Local Administration Journal 17, no. 3 (September 30, 2024): 407–424. accessed September 14, 2026. https://so04.tci-thaijo.org/index.php/colakkujournals/article/view/269977.