Omer، A. A. A. T. (2014). The Speech Act of Complaint as Realized by Advanced Sudanese Learners Of English Compared to Native Speakers. مجلة آداب، ع33 ، 1 - 28. مسترجع من http://search.mandumah.com/Record/642605
Omer، Abd Almugeed Al Tayeb. "The Speech Act of Complaint As Realized By Advanced Sudanese Learners Of English Compared to Native Speakers." مجلة آداب ع33 (2014): 1 - 28. مسترجع من http://search.mandumah.com/Record/642605