Sukkaew, Patthama. “The Soft Skill of School Administrators Affecting the Administration of Secondary Schools under the Office of the Basic Education Commission in Bangkok”. Rajapark Journal 18, no. 61 (December 27, 2024): 476–489. accessed August 30, 2026. https://so05.tci-thaijo.org/index.php/RJPJ/article/view/272994.