Volume 10, Issue 2, October 2012, Pages 1-22
Mahmoud A. El-Seify; Abdelrazik Desoukey; Reda E. Khalafalla; Shimaa S. Sorour
Volume 2, Issue 1, March 2004, Pages 87-105
Entessar, A. Arafa; Azza, M. Kamal; Salwa Awadalla