Chantawong, J. ., A. . Pheasa, and P. Steannoppakao. “Needs Assessment of Ethical Leadership Development of School Administrators Under Sakon Nakhon Primary Educational Service Area Office 2”. Journal of Graduate MCU KhonKaen Campus, vol. 12, no. 3, Sept. 2025, pp. 146-58, https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/277790.