Volume 40, Issue 6, December 2015, Pages 1-19
Nabil S. Mahmoud; Saad El-deen M. Abd-rabou; Khaled M. H. Megahed
Volume 30, Issue 3, September 2005, Pages 55-69
Nabil Mahmoud; Mohamed Naguib Abou El-Saad; Mohamed Mohie-Eldin
Volume 28, Issue 4, December 2003, Pages 1-13
Nabil Sayed Mahmoud; Mohamed Naguib Abou El-saad; Mohamed Mohie Eldin
Volume 12, Issue 2, December 1987, Pages 62-75
Nabil S. Mahmoud