Abdulloh, W. ., & Niemted, W. . (2020). Arrangement of Learning Environment to Promote Learning Skills in the 21st Century “Concept Theory and Practice”. Princess of Naradhiwas University Journal of Humanities and Social Sciences, 7(2), 227–246. Retrieved from https://so05.tci-thaijo.org/index.php/pnuhuso/article/view/240095