Muttamara, S., S. T. Leong, C. Somboonjaroensri, and W. Wongpradit. “The Evolution of Solid Waste Management in Bangkok: Implications for the Future”. Science & Technology Asia, vol. 9, no. 1, Nov. 2015, pp. 55-66, https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/41682.