Volume 33, Issue 1, June 2016, Pages 421-442
El-khouly, S. M; El-Bukhari, M. S; Aziz, E. F; Khalaf, M. A
Volume 32, Issue 1, March 2016, Pages 115-134
El-Bukhari, M. S; Awd Alla, Halla, I; Abo Samak, M. N