Manakkong, W. and Jaichalad, N. (2017) “A Study of Operational Guidelines for Risk Reduction of Schools under the Secondary Educational Service Area Office 39”, Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University, 12(2), pp. 320–333. Available at: https://so01.tci-thaijo.org/index.php/GraduatePSRU/article/view/63562 (Accessed: 5 May 2024).