Dr. Majdy Mohammed Eltayieb Zumrawi –
University of Khartoum – Civil Engineering department
Phone: +249912355758
E-mail: magdi.zumrawi@yahoo.com
Prof. El-Husain Al-Arabi El-Husain –
University of Khartoum-Minster of BRRI
Phone: +249912226860
E-mail : husseinelarabi@yahoo.com