Armiati, and Okta Vutri Nupus. “Analysis of Youtube Utilization in Learning Mathematics in the Pandemic Time of Covid-19”. Rangkiang Mathematics Journal 1, no. 1 (April 26, 2022): 16–24. Accessed November 21, 2024. https://math.ppj.unp.ac.id/index.php/RMJ/article/view/3.