Volume 37, January-March, March 2016, Pages 1-9
Aly H. El-Naggar; Naglaa M. Esmaiel; Assem A. El-Naggar
Volume 36, January-March, January 2015, Pages 58-72
M. R. A. Hassan; A. H. M. El-Naggar; E. H. Shaban; M. E. A. Mohamed