Volume 11, Issue 1, June 1988, Pages 1-17
F. M. Sakr; A. H. Abd El-Gawad; E. E. Zin El-Din
Volume 9, Issue 1, June 1986, Pages 25-39
A. H. Abd El-Gawad; E. Ramadan; A. T. Nouh
Volume 8, Issue 2, December 1985, Pages 25-46
Ahmed T. Nouh; H. M. El-Sabbagh; A. H. Abd El-Gawad; M. El-Shaboury
Volume 7, Issue 2, December 1984, Pages 295-304
M. El-Shaboury; A. T. Nouh; A. H. Abd El-Gawad
Volume 6, Issue 2, December 1983, Pages 295-309
H. M. El-Sabbagh; M. El-Shaboury; A. T. Nouh; A. H. Abd El-Gawad