Arindawan, D. ., Subagiyo, L. ., & Palenewen, E. . (2021). The EFFECTIVENESS OF ONLINE OFFLINE LEARNING MEDIA (MO2) BASED ON SMARTPHONE. IJER - INDONESIAN JOURNAL OF EDUCATIONAL REVIEW, 8(1), 15–22. Retrieved from https://journal.unj.ac.id/unj/index.php/ijer/article/view/23250