MOHAMMED IBRAHIM MOHAMMED, Dr. Wadah. Investigating Lexical Semantics Errors of Sudanese Undergraduate Students (Case Study ,Faculty, of Education at Sinner University ). مجلة البطانة للعلوم الإنسانية والإجتماعية, [S. l.], n. 20, p. 54–78, 2022. Disponível em: https://ojs.albutana.edu.sd/index.php/jhss/article/view/108. Acesso em: 30 ديسمبر. 2025.