Phomkhot, Chanitsara, and Laddawan Petchroj. “The Relationship between School Administration and Effectiveness of The Schools in Nonthaburi Province under The Secondary”. Journal of Humanities and Social Sciences, Rajapruk University 8, no. 2 (August 25, 2022): 175–191. accessed September 17, 2026. https://so03.tci-thaijo.org/index.php/rpu/article/view/262978.