ฤทธิ์มนตรี ศ, รู้ยืนยง ว. THE STRATEGIES FOR ENHANCEMENT OF EDUCATION 4.0 PROFESSIONAL ADMINISTRATORS UNDER THE OFFICE OF SECONDARY EDUCATIONAL SERVICE AREAS IN THE NORTHEAST REGION. JMND [internet]. 2019 Nov. 24 [cited 2026 Sep. 11];6(9):4364-81. available from: https://so03.tci-thaijo.org/index.php/JMND/article/view/223450