Irmayasari, Irmayasari, Makrina Tindangen, and Evie Palenewen. “THE EFFECTIVENESS OF THE VIRTUAL LEARNING MEDIA GRAPH COLORING LABORATORY”. IJER - INDONESIAN JOURNAL OF EDUCATIONAL REVIEW 8, no. 1 (July 5, 2021): 35-44. Accessed April 20, 2025. http://103.8.12.212:33180/unj/index.php/ijer/article/view/25140.