Sulayman، H. I. (2011). Challenges Of Preservation of Ancient Cultural Works Transcribed: In Arabic Script and Swahili Words Of Arabic Language Origin : A Case Of Tanzania. دراسات إفريقية، ع46 ، 7 - 31. مسترجع من http://search.mandumah.com/Record/589496
Sulayman، Hamdun Ibrahim. "Challenges Of Preservation of Ancient Cultural Works Transcribed: In Arabic Script and Swahili Words Of Arabic Language Origin : A Case Of Tanzania." دراسات إفريقية ع46 (2011): 7 - 31. مسترجع من http://search.mandumah.com/Record/589496