Helmi. “THE EFFECTIVENESS OF USING ENGLISH CONVERSATION APPLICATION TO IMPROVE THE STUDENTS’ SPEAKING SKILL AT THE SECOND SEMESTER OF PUBLIC ADMINISTRASION DEPARTMENT”. Pahlawan Jurnal Pendidikan-Sosial-Budaya 16, no. 1 (April 25, 2020): 152–160. Diakses November 22, 2024. https://ojs.uvayabjm.ac.id/index.php/pahlawan/article/view/291.