Name Surname: Mohammad Abdulla Ibrahim Country : Sudan Title : Researcher Institution : Third Sector center for Social Studies Address : Temporal ( Saudi Arabia , Taif ,P.O.Box,366 ) Phone : 0096627488248 Fax : 0096627330098 Web Site : http:// E-mail : mohogreen@hotmail.com Fields of Expertise : Name Surname: ِAl-Hafian ,Awad Ibrahim Country : Sudan Title : Prof. Institution : Address : Sudan , U.O.K awadhafian@hotmail.com Phone : 966506434152 Fax : Web Site : http:// E-mail : awadhafian@hotmail.com Fields of Expertise :