Tamnakpo, M. “Prevalence and Associated Factors of Job Burnout Among Healthcare Workers of Mahasarakham Hospital During the COVID-19 Pandemic”. Journal of Preventive Medicine Association of Thailand, vol. 12, no. 2, Sept. 2022, pp. 389-03, https://he01.tci-thaijo.org/index.php/JPMAT/article/view/253379.