MOHAMMED , Fatima Elnaeem. Question Formation Problems Encountered by Students of English as a Foreign Language: A Case Study. Journal of Humanities and Social Sciences Studies, [S. l.], v. 3, n. 3, p. 12–16, 2021. DOI: 10.32996/jhsss.2021.3.3.2. Disponível em: https://alkindipublisher.com/index.php/jhsss/article/view/1480. Acesso em: 19 aug. 2026.