Ponghan, Sirilak. “Roles and Developing local Curriculum Administration Guidelines of School Administrators under The sub-municipality Bong Pa-in District Phra Nakhon Si Ayutthaya Province”. Academic Journal of Rajapruk University 14, no. 1 (July 6, 2023): 33–44. accessed October 14, 2026. https://so07.tci-thaijo.org/index.php/AcademicRPU64/article/view/3158.