Lutfilah, Helmi, and Sigid Edy Purwanto. “Exploring Mathematics Learning During Covid-19: The Role of Teachers in Adapting Online Learning for Middle School Students”. International Journal of Progressive Mathematics Education 3, no. 2 (January 24, 2025). Accessed December 5, 2025. https://journal.uhamka.ac.id/index.php/ijopme/article/view/11953.