Azis, A. . (2015). THE IMPROVEMENT OF THE STUDENTS’ SPEAKING PROFICIENCY THROUGH PLUS, MINUS, INTERESTING (PMI) STRATEGY. Jurnal Keguruan Dan Ilmu Pendidikan (JKIP), 2(1), 45–55. Retrieved from https://jurnal.fkip.unismuh.ac.id/index.php/jkip/article/view/1527