Navykarn, Kanokrat, and Umaporn Muneenam. “THE DEVELOPMENT OF INTEGRATED ENVIRONMENTAL EDUCATION ACTIVITIES FOR SOLID WASTE MANAGEMENT IN LIBONG ISLAND, TRANG PROVINCE, THAILAND”. Scholar: Human Sciences 10, no. 1 (June 15, 2018): 52. Accessed May 7, 2024. http://www.assumptionjournal.au.edu/index.php/Scholar/article/view/3311.