Poolpokpol, A. and Parunggul , D. (2020) “The Relationship Between Instructional Leadership of School Administrators  and School Effectiveness in The Diocese of Ratchaburi”., Saengtham College Journal. Nakhon Phathom, Thailand, 12(1), pp. 106–131. Available at: https://so01.tci-thaijo.org/index.php/scj/article/view/245804 (Accessed: 23 May 2024).