Sengsoulichanh, Viengkham. 2020. “The Model of Waste Management toward Effectiveness of Kaisornphomvihan City, Savannakhet Province, Lao People’s Democratic Republic”. Journal for Developing the Social and Community 7 (1). Bangkok, Thailand:343-56. https://so03.tci-thaijo.org/index.php/rdirmu/article/view/245087.