Kamnuansilpa, Peerasit, and Parnchit Jinhirun. “Tourism and Solid Waste Management on Koh Pha-ngan: An Exploratory Study”. Journal of Humanities and Social Sciences (HUSOKKU) 32, no. 1 (March 14, 2015): 165–188. accessed September 10, 2026. https://so01.tci-thaijo.org/index.php/HUSO/article/view/51695.