Volume 29, Issue 2, December 2009, Pages 195-206
Saad El-Sekelly; Mohamed Mahmoud; Morsy Matar
Volume 29, Issue 2, December 2009, Pages 207-218
Saad El-Sekelly; Mohamed Hasan; Ibrahem Abd Allah
Volume 27, Issue 1, June 2007, Pages 95-108
Saad El-Sekelly; Salah El-Din El-Sayed