Srijan, Orawan. 2022. “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 (1). Si Sa Ket, Thailand:32-44. https://so08.tci-thaijo.org/index.php/jhuso/article/view/1096.