Researches Researches main page of Shadia Abdullah Hassan Yousuf                 University Researches View By Researchers View By Titles View By Subjects View By Publishing Year All Researches Search by publishing year *:   Advanced Search View By Publishing Year View By AH Date 1434 1431 1430 1421 1420 1412 1411 View By AD Date 2013 2010 2009 2000 1999 1994 1991 1990