Volume 22, Issue 2-A, December 2011, Pages 1-16
Ali M. HASSAN; A. M. NASSAR; Y. ABO ZAID; N. ABD EL-RAHMAN; M. ABO ALI; T. M. KEHELA
Volume 22, Issue 2-A, December 2011, Pages 25-36
Ali M. HASSAN; Amer M. NASSAR; BASSEM H. HEAKAL; N. M. ABDELRAHMAN
Volume 22, Issue 2-A, December 2011, Pages 37-44
Ali M. HASSAN; SOHAIR A. ELREEFY; AHMED R. ELSALAMOUNY
Volume 22, Issue 2-A, December 2011, Pages 45-52
Ali M. HASSAN; SOHAIR A. ELREEFY; AHMED RAGAA ELSALAMOUNY