สุทธิวรเศรษฐ์ จ., โตประสี ส., & วนนะบวรเดชน์ ท. (2018). Effectiveness of Operation of Pong Nam Ron Sub-District Administrative Organization Child Development Center Khlong Lan District Kamphaeng Phet Province. Journal of Humanities and Social Sciences, Rajapruk University, 4(supplement), 110–123. Retrieved from https://so03.tci-thaijo.org/index.php/rpu/article/view/159615