Ponghan, S. “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, vol. 14, no. 1, July 2023, pp. 33-44, https://so07.tci-thaijo.org/index.php/AcademicRPU64/article/view/3158.