Chawano พ. (2021) “TRANSFORMATIONAL LEADERSHIP OF ADMINISTRATORS OF PHRAPARIYATTIDHAM SCHOOL OF GENERAL EDUCATION DEPARTMENT IN LOEI PROVINCE”., Srilangchang Research Journal, 1(1), p. 11. Available at: https://ojs.mbuslc.ac.th/index.php/srj/article/view/18 (Accessed: 10 November 2026).