Volume 62, Issue 149, April 2016, Pages 94-100
EL-KHAMARY A. N.; MOHAMED EL-SHERIF; MOHAMED ABUMANDOUR; SAYED-AHMED A.S.; ABD EL-WAHED R.E.
Volume 60, Issue 142, July 2014, Pages 144-155
KAREMA M. EL-BAKRY; REDA S. FADLY