Mohammed، E. I. H.، و Ibrahim، A. I. (2019). The Impact of Linguistic and Socioeconomic Factors on Students’ Writing Specially on Free Composition. مجلة السودان العلمية، س8, ع13 ، 335 - 349. مسترجع من http://search.mandumah.com/Record/1549035
Mohammed، Ebtisam Ibrahim Hassan، و Abdulmahmoud Idrees Ibrahim. "The Impact of Linguistic and Socioeconomic Factors On Students’ Writing Specially On Free Composition." مجلة السودان العلمية س8, ع13 (2019): 335 - 349. مسترجع من http://search.mandumah.com/Record/1549035