Volume 59, Issue 138, July 2013, Pages 184-191
SHERIEF M.S. ABD-ALLAH
Volume 58, Issue 135, October 2012, Pages 79-87
SHERIEF M.S. ABD-ALLAH; H.A.A. ISMAIL
Volume 57, Issue 131, October 2011, Pages 1-15
SH.M.S. ABD-ALLAH; Z.M. ZAKY