Thongwichit N, Buripakdi A. Perceptions of College Students on L1 Use with Different Levels of English Proficiency on L1 Use in English Classrooms. JLA [Internet]. 2016 Aug. 5 [cited 2024 Apr. 20];6(2):96. Available from: https://so03.tci-thaijo.org/index.php/journal-la/article/view/64207