Mohammed، F. A. E. (2020). Assessing English Language Speaking Proficiency among Sudanese Secondary Schools’ Students: A Comparative Study between the Government Model and Non Model Secondary Schools in Sudan. مجلة الدراسات اللغوية والأدبية، مج21, ع2 ، 146 - 159. مسترجع من http://search.mandumah.com/Record/1072840
Mohammed، Faiza Abdalla Elhussien. "Assessing English Language Speaking Proficiency Among Sudanese Secondary Schools’ Students: A Comparative Study between the Government Model and Non Model Secondary Schools in Sudan." مجلة الدراسات اللغوية والأدبية مج21, ع2 (2020): 146 - 159. مسترجع من http://search.mandumah.com/Record/1072840