Syarifuddin AB. GRAMMATICAL ERROR ANALISYS IN THAI STUDENTS’ ENGLISH WRITING AND SPEAKING AT UIN ALAUDDIN MAKASSAR. ETERNAL [Internet]. 2015 Jun. 30 [cited 2025 Jun. 3];1(1):57-68. Available from: https://journal.uin-alauddin.ac.id/index.php/Eternal/article/view/2408