Dirgantara, Harya, and Tedi Marselino. “Development of Web-Based Matrix Operations Calculation As a Learning Media”. IJNMT (International Journal of New Media Technology) 4, no. 2 (December 31, 2017): 105-111. Accessed April 29, 2024. https://ejournals.umn.ac.id/index.php/IJNMT/article/view/631.