Title Author Publication Date Publisher Type
    Decomposition of a Special Type of Machines  Hassan, M. H. [محمد حسن حسن]; Mustafa, M. A.1994Qatar UniversityArticle
    The P-Center And The P-Median Problems In Graphs With Small Number ' Of Spanning Trees  Hassan, M. H. [محمد حسن حسن]1996Qatar UniversityArticle