Volume 8, Issue 2, December 1999, Pages 50-53
Nawal Farrag; Hekmat Abd El-Latif
Volume 6, Issue 2, December 1997, Pages 74-80
Taha Sarg; Abdel-Monem Ateya; Nawal Farrag; Ehsan Abd El- aziz; Azza El-Shafae
Volume 5, Issue 1, June 1996, Pages 7-19
Nawal Farrag
Volume 2, Issue 2, December 1993, Pages 130-138
Abdel-Monem Ateya; Sameeh El-Dahmy; Nawal Farrag
Volume 2, Issue 1, June 1993, Pages 29-45
Nawal Farrag; Ehsan Abdel-Aziz; Maher El-Domiaty; Azza El Shafea
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