Volume 61, Issue 144, January 2015, Pages 13-20
EYAD ALNAJJAR; MOHAMMAD ALI EL-EMADI; YASER ALOMAR
Volume 60, Issue 142, July 2014, Pages 7-13
M.A. HAMAD; Z.M. AL-JUMAA
Volume 51, Issue 104, January 2005, Pages 141-168
NAGLAA I. HASSAN; M.E. ESSMAIL; S.A. SELIM