อนันตะสุข ณ. . (2022). The Results of Learning Management on Thai Manners of Matthayomsuksa 1 Students by Using Role Play Learning Management. Education journal Faculty of Education, Nakhon Sawan Rajabhat University, 3(1), 69–77. retrieved from https://so02.tci-thaijo.org/index.php/edunsrujo/article/view/254292