Volume 11, Issue 2, January 2007, Pages 49-60
Hassan Awwad; Nabeel Yamany; M. Gad; Hala Mousaa; Widad Ouf; Ibrahim Bedaiwy; Khalid AlGhamdi
Volume 11, Issue 2, January 2007, Pages 61-67
Hassan Awwada; M. Gad; Hala Mousa; Nabeel Yamani; Mohammed Ergsoos; Khalid Al-Ghamdi