Harnlumpang , Sittiporn, Yupaporn Yupass, and Saovalak Kosonkittiumporn. 2023. “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 3 (4). Maha Sara Kham, TH.:309-22. https://doi.org/10.14456/iarj.2023.192.