Harnlumpang , S., Y. Yupass, and S. Kosonkittiumporn. “Factors Affecting Teacher Competencies in Schools Huai Mek District Under the Kalasin Primary Educational Service Area Office 2 Kalasin Province”. Interdisciplinary Academic and Research Journal, vol. 3, no. 4, Aug. 2023, pp. 309-22, doi:10.14456/iarj.2023.192.