Volume 11, Issue 3, July 2014, Pages 46-57
Y. M. El-Sherbiny; R. A. Ibrahim; W. Y. Ali
Volume 10, Issue 4, October 2013, Pages 40-57
S. A. Mayada; M. I. Khashaba; W. Y. Ali
Volume 8, Issue 4, October 2011, Pages 1-11
Y. M. El-Sherbiny; A. T. Hasouna; W. Y. Ali