عباس، حسن عباس حسن. (2018). Investigating The Cultural Factors Influencing Sudanese EFL Students' Performance In English As An International Language Ell: A Case Study Of The Faculty Of Education At The International University Of Africa. دراسات تربوية، مج19, ع36 ، 115 - 158. مسترجع من http://search.mandumah.com/Record/958704
عباس، حسن عباس حسن. "Investigating The Cultural Factors Influencing Sudanese EFL Students' Performance In English As An International Language Ell: A Case Study Of The Faculty Of Education At The International University Of Africa." دراسات تربوية مج19, ع36 (2018): 115 - 158. مسترجع من http://search.mandumah.com/Record/958704