Volume 48, 1-1, February 2017, Pages 319-330
Volume 41, Issue 2, May 2010, Pages 24-40
G. A. Abd El-Hafez; Soliman M. Mousa; Ibrahim A. Soliman; Mohamed A. Awadallah; Hany G. Galal
Volume 38, Issue 1, March 2007, Pages 15-29
E. A Ali