Volume 65, Issue 160, January 2019, Pages 16-24
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Volume 61, Issue 146, July 2015, Pages 1-7
MOHAMED W.; GHANYEM H.R
Volume 55, Issue 121, April 2009, Pages 1-14
S. NASR; NAGAH M. SAAD; RANIA M. EWIDA
Volume 32.2, Issue 64, January 1995, Pages 198-206
A. NASSAR; S.A. FARRAG