Tampradit, K., and P. . Chailert. “A STUDY OF QUALITY OF LIFE OF PHYSICAL EDUCATION TEACHERS IN PHAYAO PROVINCE”. Academic Journal of Thailand National Sports University, vol. 14, no. 2, Apr. 2022, pp. 29-40, https://he02.tci-thaijo.org/index.php/TNSUJournal/article/view/251078.