Anuttaranggoon R, Sattayawatee N. Effects of the centralization through the online teaching policy of the Ministry of Education during the Covid-19 epidemic: A case study of a small school in one sub-district in Nakhon Sawan Province. hss.nsru [Internet]. 2022 Dec. 29 [cited 2024 May 4];9(2):55-67. Available from: https://so05.tci-thaijo.org/index.php/hssnsru/article/view/260578