Boonpan, Poramin, and Poompipat Rukponmongkol. “Factors Affecting on Desirable Characteristics and Desirable Quantities of Teachers in Schools under The Secondary Educational Service Area Office Kamphaengphet”. Education journal Faculty of Education, Nakhon Sawan Rajabhat University 6, no. 2 (August 27, 2023): 208–218. accessed January 8, 2026. https://so02.tci-thaijo.org/index.php/edunsrujo/article/view/260666.