Booncharoensuk, Noppawan, paradee Anannawee, and Sataporn Pruettikul. “The Relationship Between Stragegic Leadership of Administrators and School Effectiveness in Chachoengsao Province under the Secondary Educational Service Area Office 6”. Academic Journal of Thailand National Sports University 10, no. 2 (May 1, 2018): 273–292. Accessed May 18, 2024. https://he02.tci-thaijo.org/index.php/TNSUJournal/article/view/248679.