Krueawan, Natthawipa, Kittayakorn Ladawan, and Suthep Maythaisong. 2020. “Academic Affairs Administration Based on the Threefold Training to Develop Learners in Private School Promotion Groups Under Kalasin Provincial Education Office”. Academic Journal of Mahamakut Buddhist University Roi Et Campus 10 (2):312-23. https://so01.tci-thaijo.org/index.php/AJMBU/article/view/243045.