Sangkawan S. The Strategies for developing Ecotourism Attractions in Samut Songkhram province. JMSNPRU [Internet]. 2018 Nov. 27 [cited 2024 Apr. 25];4(1):1-9. Available from: https://so03.tci-thaijo.org/index.php/JMSNPRU/article/view/157328