Volume 10, Issue 1, 2009, Pages 39-57
Nermin Adel El Semary; Safia Ghazy; Abou El Kheir Badawy; Mohamed El Fouly; Mohamed Hassoub
Volume 4, Issue 2, 2003, Pages 175-186
A. M. Kassem; A. F. Khaleafa; S. H. Shaalan; H. M. Taha