Srijan, Orawan. “A Study of Problems of Curriculum Implementation by teachers Under Office of Uthaithani Primary Education Service Area 2”. Journal of Human and Society, Sisaket Rajabhat University 5, no. 1 (November 27, 2022): 32–44. accessed April 10, 2025. https://so08.tci-thaijo.org/index.php/jhuso/article/view/1096.