Volume 32, Issue 2, December 2012, Pages 201-222
Omyma Ahmed
Volume 32, Issue 2, December 2012, Pages 223-244
Omyma Ahmed; Eman Negm
Volume 29, Issue 2, December 2009, Pages 1-14
Asmaa Hassan; Omyma Ahmed; Marwa Ahmed; Hosam Hamed
Volume 27, Issue 1, June 2007, Pages 291-316
Omyma Ahmed; Ramadan Sayed; Osama Ibrahiem