Komarum, K., Promta , U. and Duangchatom, K. (2020) “Guidelines for Performance Improvement of Teachers under the Secondary Educational Service Area Office 27”, Journal for Developing the Social and Community . Bangkok, Thailand, 7(1), pp. 41–52. available at: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/245035 (accessed: 13 October 2026).