Thamrongweerachat, Boonsita, and Thada Siththada. “Guidelines for Developing Coordination among Educational Institution Administrators in the Secondary Educational Service Area Office Bangkok 1”. Interdisciplinary Academic and Research Journal 6, no. 3 (May 22, 2026): e291568. accessed September 28, 2026. https://so03.tci-thaijo.org/index.php/IARJ/article/view/291568.