Rifqi, Muhammad Surya. “Exploring Challenges of Differentiated Instruction in English Foreign Language Classroom”. LET: Linguistics, Literature and English Teaching Journal 14, no. 1 (June 29, 2024): 77–97. Accessed November 21, 2024. https://jurnal.uin-antasari.ac.id/index.php/let/article/view/12174.