Volume 64, Issue 156, January 2018, Pages 129-137
NAGWA ELSHARAWY; MOHAMED SHAKER ABDEL HAFEZ
Volume 63, Issue 153, April 2017, Pages 190-204
ABDOU, M.S.; NAHLA EBIED; EMAN, ALSOKARY
Volume 57, Issue 131, October 2011, Pages 1-12
WALLAA F. AMIN; EMAN M. SHAKER