Phetchit, Jareporn. “The Opinion of Nipa Palm Farmer in WangWon Sub District, Kan Tang District, Trang Province”. Journal of Science and Technology Songkhla Rajabhat University 1, no. 1 (September 13, 2020): 33–44. Accessed May 1, 2024. https://ph02.tci-thaijo.org/index.php/SciAndTechSkru/article/view/239935.