อยู่ใจ กรองทอง. “The Study of Parent Satisfaction Toward the Organizing of Secondary Education in Nakhon Sawan Panyanukul School under the Bureau of Special Education Administration, Nakhon Sawan Province”. Education journal Faculty of Education, Nakhon Sawan Rajabhat University 3, no. 2 (January 29, 2022): 1–13. Accessed May 19, 2024. https://so02.tci-thaijo.org/index.php/edunsrujo/article/view/254293.