Volume 21, Issue 1, June 1998, Pages 7-14
Hassan H. Farag; Farghaly A. Omar; Nadia M. A. Mahfouz
Volume 20, Issue 2, December 1997, Pages 155-161
Nawal A. El-Koussi; Hoda Y. Hassan; Hassan H. Farag
Volume 16, Issue 2, December 1993, Pages 141-150
Hassan H. Farag; Abdel-Alim M. Abdel-Alim; Mahmoud M. El-Gendy; Nawal A. El-Koussi
Volume 16, Issue 2, December 1993, Pages 175-182
Nicholas Bodor; Hassan H. Farag; Farghaly A. Omar