Wafiroh, Hidayatul, and Harun Harun. “The Barriers in the Implementation of Mathematics Learning for Slow Learner During the COVID-19”. Jurnal Elemen 8, no. 1 (January 6, 2022): 144–160. Accessed December 22, 2024. https://e-journal.hamzanwadi.ac.id/index.php/jel/article/view/4525.