by Elkhtab Mohamed Abdalla, Sulieman Hammad Nasser Ali, Sarra Ahmed Mohamed Saad, Ibrahim Saeed Ibrahim
Published in World journal of science, technology and sustainable development (03.10.2012)

by Saad, Sarra Ahmed Mohamed, Osman, Sufyan A.M., Aldoma, Ahmed, Suliman, Hind Abdallah
Published in International Journal of Sudan Research (15.01.2017)

by Mohamed Abdalla, Elkhtab, Mohamed Saad, Sarra Ahmed, Ibrahiem, Ibrahiem Saeed
Published in International Journal of Sudan Research (15.01.2011)

by Mohamed Saad, Sarra Ahmed
Published in International Journal of Sudan Research (15.01.2013)

by Saad, Sarra Ahmed Mohamed, Mohammed, Abutalib Balla Guma
Published in International Journal of Innovation and Knowledge Management in the Middle East and North Africa (15.01.2014)

by Sarra Ahmed Mohamed Saad, Abutalib Balla Guma Mohammed
Published in International Journal of Innovation and Knowledge Management in the Middle East and North Africa (01.01.2014)

by Ali Eltayeb, Nuhad M., M. Saad, Sarra A., Madani, Rayan M. A., Elamin, Elamin A.
Published in International Journal of Sudan Research (15.06.2012)