ABU EL-HAJ, S. The effects of using Arabic (L1) in English classes (L2) on students’ performance in exams at the University of Jordan. DIRASAT: EDUCATIONAL SCIENCES, [S. l.], v. 46, n. 4, 2019. Disponível em: https://archives.ju.edu.jo/index.php/edu/article/view/15823. Acesso em: 22 feb. 2026.