Syarifuddin, Syarifuddin. “IMPROVING OF EFL LEARNERS’ SPEAKING PROFICIENCY THROUGH SPEAKING ACTIVITIES INSIDE AND OUTSIDE THE CLASSROOM: A THEORETICAL REVIEW”. LET: Linguistics, Literature and English Teaching Journal 2, no. 2 (May 16, 2017): 73–83. Accessed November 21, 2024. https://jurnal.uin-antasari.ac.id/index.php/let/article/view/1375.