โสภโณทัย ส. The Study of Visionary Leadership with Change Management of School Administrators under the Secondary Education Service Area Office 36 (Chiang Rai - Phayao). Trends Humanit Soc Sci Res [Internet]. 2019 Jul. 2 [cited 2024 Apr. 26];2(3):9-17. Available from: https://so03.tci-thaijo.org/index.php/Humanties-up/article/view/200513