พรหมสงฆ์ ก. Sustainable weste Problems management Of Koh Samui Manicipality, Suratthani. ptujournal [Internet]. 2019 Dec. 30 [cited 2024 Apr. 30];11(2):80-94. Available from: https://so05.tci-thaijo.org/index.php/ptujournal/article/view/216285