Kudhom T, Ruangsuwan C, Duangchatom K. The Guideline for Development Innovation Leadership of School Administrators under the Secondary Educational Service Area Office, Sisaket, Yasothon . IARJ [internet]. 2026 May 23 [cited 2026 Sep. 28];6(3):e292448 . available from: https://so03.tci-thaijo.org/index.php/IARJ/article/view/292448