KHOIRUL (2024) “Factors Influencing Sharia Economics Students’ English Language Proficiency at IAIN Pontianak”, Serunai : Jurnal Ilmiah Ilmu Pendidikan, 10(2). Available at: https://www.ejournal.stkipbudidaya.ac.id/index.php/serunai/article/view/1481 (Accessed: 9 November 2026).