Volume 64, Issue 159, October 2018
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Volume 57, Issue 131, October 2011, Pages 1-11
AZZA A.H. EL-TABIY; HEBA M. HASSAN
Volume 37.2, Issue 74, July 1997, Pages 136-151
FATMA M. K. SALEH; RAGHEB R.R.; ALY A. A.