Kallayanapattharasit, R., & Vititanon, N. (2020). Application of By-laws and Policy Tools to Promote the Waste Separation in the Origin: Study on Local Administrative Organizations in Chiang Rai Province. Connexion: Journal of Humanities and Social Sciences, 9(2), 66–86. Retrieved from https://so05.tci-thaijo.org/index.php/MFUconnexion/article/view/245317