Mulenga, Eddie Mumba, and José María Marbán. “Social Media Usage Among Pre-Service Secondary Mathematics Teachers in Zambia”. JRAMathEdu (Journal of Research and Advances in Mathematics Education) 5, no. 2 (June 1, 2020): 130–147. Accessed November 17, 2025. https://journals2.ums.ac.id/jramathedu/article/view/9299.