Prof. ABDULLA AL-JARRAH
Prof. A. M. JARRAH, Ph.DProf. of Mathematics Yarmouk University, Irbid-JordanPhone: +962 2 7211111 Ext. 2071( Office) Mobile: +962-797042220 Fax: +962 2 7211121 Email: jarrahahed@hotmail.comEmail: ajarrah@yu.edu.jo