Sittiporn Harnlumpang และ Yupaporn Yupass;Saovalak Kosonkittiumporn. (2023) Factors Affecting Teacher Competencies in Schools Huai Mek District Under the Kalasin Primary Educational Service Area Office 2 Kalasin Province. <i>Interdisciplinary Academic and Research Journal</i>, <i>3</i>(4), 309-322.Sittiporn Harnlumpang และ Yupaporn Yupass;Saovalak 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 3 (2023):309-322.Sittiporn Harnlumpang และ Yupaporn Yupass;Saovalak Kosonkittiumporn. Factors Affecting Teacher Competencies in Schools Huai Mek District Under the Kalasin Primary Educational Service Area Office 2 Kalasin Province. DR.KEN Institute of Academic Development and Promotion.:ม.ป.ท. 2023.