Pijarnsarid S, Kongkaew P. AN ANALYSIS OF THE CONTENT WORDS USED IN A SCHOOL TEXTBOOK, TEAM UP ENGLISH 3, USED FOR GRADE 9 STUDENTS. Int. J. Res. Granthaalayah [Internet]. 2017 Mar. 31 [cited 2024 Apr. 19];5(3):140-53. Available from: https://www.granthaalayahpublication.org/journals/granthaalayah/article/view/IJRG17_A03_130