Volume 63, Issue 152, January 2017, Pages 117-124
HAMDY EMBARK
Volume 61, Issue 144, January 2015, Pages 24-31
NAHLA M.S.; SLIM S.A.; YASSIN B.R.
Volume 57, Issue 129, April 2011, Pages 1-15
N-E. M. AREF; M.E. MAHMOUD