Praimahaniyom T, Chairinkom B. THE EFFECTIVENESS OF THE GROUPS MODEL IN ENHANCING THE STUDENT’S ENGLISH COMMUNICATION SKILL AT KAMPHAENG PHET RAJABHAT UNIVERSITY, MAESOT. JEI [Internet]. 2019 Apr. 9 [cited 2024 May 5];23(3):48-63. Available from: https://so06.tci-thaijo.org/index.php/edujournal_nu/article/view/172561