Chaiyarat, S., Sartmool, S., & Suwannasatit, S. (2020). Push and Pull Factors in Ecotourism by Community-Based In the Northern Area of Thailand. Ph.D. In Social Sciences Journal, 10(1), 211–224. Retrieved from https://so05.tci-thaijo.org/index.php/phdssj/article/view/125897