Nonchaisen, R. (2024). THE 21ST CENTURY LEARNING MANAGEMENT SKILLS OF TEACHERS UNDER KHON KAEN PRIMARY EDUCATION SERVICE AREA OFFICE 5. Journal of Humanities and Social Sciences Mahamakut Buddhist University Isan Campus, 5(3), 87–99. retrieved from https://so06.tci-thaijo.org/index.php/jhsmbuisc/article/view/275949