Volume 55, Issue 122, July 2009, Pages 1-10
M.M. ABD-EL-LATIF; A.H. MOUSTAFA; M.K. REZIK; M.A.S. MOUSTAFA
Volume 51, Issue 104, January 2005, Pages 1-5
S. HAQ; M. YOUNUS; S.A. KHAN; A. ASLAM; H. REHMAN; M. ASLAM