Umar, Umar, Issy Yuliasri, Dwi Rukmini, and Fahrur Rozi. “Quo Vadis English Language Learning System in Pesantren?”. The Proceedings of English Language Teaching, Literature, and Translation (ELTLT) 14 (October 16, 2025): 651–663. Accessed February 4, 2026. https://proceedings.unnes.ac.id/eltlt/article/view/4731.