Volume 18, Issue 1, March 1993, Pages 41-55
A. A. El-Hadik; N. M. El-Najem; M. A. Darwish
Volume 17, Issue 3, September 1992, Pages 14-31
A. A. El-Hadik
Volume 14, Issue 2, December 1989, Pages 172-185
A. A. El-Hadik; H. Barrow
Volume 14, Issue 2, December 1989, Pages 186-203
A. A. El-Hadik; A. M. El-Obaid
Volume 14, Issue 1, June 1989, Pages 132-155
A. A. El-Hadik
Volume 13, Issue 2, December 1988, Pages 57-67
Gamal Ibrahim Ahmed Solatan; A. El-Hadik; M. A. El-Hefny
Volume 13, Issue 2, December 1988, Pages 68-87
A. A. El-Hadik; M. Y. Salam
Volume 12, Issue 1, June 1987, Pages 1-11
Mohamed Mahmoud Ahmed Mahgoub; A. M. El-Hadik; M. M. Shalaby
Volume 12, Issue 1, June 1987, Pages 53-67
M. A. Darwish; A. El-Hadik; A. Dayoub