โสภโณทัยส. (2019) “The Study of Visionary Leadership with Change Management of School Administrators under the Secondary Education Service Area Office 36 (Chiang Rai - Phayao)”, Journal of Humanities and Social Sciences University of Phayao, 2(3), pp. 9 - 17. Available at: https://so03.tci-thaijo.org/index.php/Humanties-up/article/view/200513 (Accessed: 26May2020).