Meesang, W. (2020) “Trends Composition and Amount of Municipal Solid Waste in Sam Phrao Sub-district, Udon Thani Province”, Journal of the Association of Researchers, 21(3), pp. 211–220. available at: https://so04.tci-thaijo.org/index.php/jar/article/view/244229 (accessed: 11 September 2026).