Thungthong, P. and Boonsong, K. (2025) “Factors Affecting Learning Loss of Students in the Situation of Covid -19 of Schools under Phetchaburi Primary Educational Service Area Office 2”, Journal for Developing the Social and Community . Bangkok, Thailand, 12(3), pp. 71–92. available at: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/292232 (accessed: 1 September 2026).