Irmayasari, I., Tindangen, M. ., & Palenewen, E. . (2021). THE EFFECTIVENESS OF THE VIRTUAL LEARNING MEDIA GRAPH COLORING LABORATORY. IJER - INDONESIAN JOURNAL OF EDUCATIONAL REVIEW, 8(1), 35–44. Retrieved from https://journal.unj.ac.id/unj/index.php/ijer/article/view/25140