Phengsalung, Thawat. “Academic Management Strategies to Improve Learning Achievement of Students at Nong Kung Sri Wittayakarn School Kalasin Secondary Educational Service Area Office”. Interdisciplinary Academic and Research Journal 4, no. 5 (October 16, 2024): 293–318. accessed October 1, 2026. https://so03.tci-thaijo.org/index.php/IARJ/article/view/273685.