Praimahaniyom, T. and Chairinkom, B. (2020) “Developing GROUPS Model for Learning English Communication Skills: Kamphaeng Phet Rajabhat University, Maesot”, Trends of Humanities and Social Sciences Research, 8(2), pp. 16–42. Available at: https://so03.tci-thaijo.org/index.php/Humanties-up/article/view/201836 (Accessed: 20 April 2024).