Sitthihiranmethi, Thanyada, and Nissara Pronsurivong. “Motivation for Work Performance of Teachers in Opportunity Expansion School under the Trat Primary Educational Service Area Office”. Interdisciplinary Academic and Research Journal 5, no. 6 (November 21, 2025): 537–560. accessed September 24, 2026. https://so03.tci-thaijo.org/index.php/IARJ/article/view/286980.