Volume 63, Issue 155, October 2017, Pages 119-127
Volume 62, Issue 149, April 2016, Pages 47-59
HANAA ASFOUR; INAS GAMAL; SAMAH DARWISH
Volume 57, Issue 130, July 2011, Pages 1-11
Y.G.M. ABD EL-HAFEIZ; A.M. EL-SHERIF; K.N. METIAS