English Language Challenges in Scientific Research: A Case Study of PhDStudents at the University Centre of Maghnia. مجلة إحالات, [S. l.], v. 7, n. 4, 2026. Disponível em: https://ojs.cu-maghnia.dz/index.php/ihalat/article/view/363. Acesso em: 15 may. 2026.