Phasuwan, B., and S. Pruekaporn. “Guidelines for the Development of Occupational Standards of Community Based Tourism Enterprise Group of Taling Chan Community, Taling Chan Sub-district, Ban Dan Lan Hoi District Sukhothai”. Journal of Public Administration Chiang Rai Rajabhat University, vol. 5, no. 1, June 2022, pp. 31-45, https://so16.tci-thaijo.org/index.php/POPACRRU/article/view/833.