Wachaiyung, Sittiporn, Prachitr Mahahing, and Phrakhrupalad Boonchuay Chotivungso (Auiwong). 2025. “Personnel Administration Based on the Seven Sappurisadhamma Principles of School Administrators Under the Nong Bua Lamphu Primary Educational Service Area Office 1”. Journal of Graduate MCU KhonKaen Campus 12 (2):437-46. https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/276831.