Kieanwatana, Komsit, Krittika Saynaratchai, Saranya Srithong, Usanee Watcharaphaisankul, and Tattawan Duantrakoonsil. 2025. “WILLINGNESS TO PAY OF GENERATION Z TOURISTS FOR PARTICIPATING IN VOLUNTEER-BASED RECREATIONAL TOURISM ACTIVITIES”. Sports Science and Health Innovation Journal, Rajabhat University Group of Thailand 4 (4):36-45. https://he03.tci-thaijo.org/index.php/SPSC_Network/article/view/4440.