Suliman, Dr. Elbadri Abbas Elzubier. "Exploring Text Genres of Authentic Printed Materials Incorporated into the New Headway Intermediate Student’s Book: Implications of Culture Representation ". Omdurman Islamic University Journal for Human Sciences 22, no. 2 (مايو 31, 2026): 69-90. تاريخ الوصول سبتمبر 14, 2026. https://journal.oiu.edu.sd/index.php/oiujhs/article/view/3623.