Tama, P. and Tantranont, N. (2024) “PERSONNEL DEVELOPMENT FOR THE OPERATION SKILLS STANDARDS OF THE REGIONAL EDUCATION OFFICE NO.15 ”, Journal of Education and Innovation, 26(1), pp. 280–290. available at: https://so06.tci-thaijo.org/index.php/edujournal_nu/article/view/262785 (accessed: 2 October 2026).