OTHMAN, Othman Hassan; JABAL, Jabal Abdulrahim. Challenges of Implementing Bilingualism in the Ministry of Foreign Affairs of the Republic of Chad: An Exploratory Study ˆ. Ibn Khaldoun Journal for Studies and Researches, فلسطين, v. 5, n. 12, 2025. DOI: 10.56989/benkj.v5i12.1684. Disponível em: https://www.benkjournal.com/index.php/benkj/article/view/1684. Acesso em: 30 apr. 2026.