Kumfang, Natnakorn, and Tossapol Cherdchaiyaphum. “Development on Psychometric Properties of Work Passion of State Enterprise Employees”. Rajapark Journal 18, no. 56 (February 29, 2024): 318–333. Accessed May 17, 2024. https://so05.tci-thaijo.org/index.php/RJPJ/article/view/270170.