Charoenhiruntorn, W., and J. Phutiariyawat. “HUMAN RESOURCE MANAGEMENT AFFECTING COMPETENCIES OF TEACHERS IN PRIVATE SCHOOLS UNDER SAMUTPRAKAN PROVINCIAL EDUCATION OFFICE”. Journal of Social Science and Cultural, vol. 8, no. 9, Sept. 2024, pp. 220-3, https://so06.tci-thaijo.org/index.php/JSC/article/view/276773.