Volume 35, OCTOBER- DECEMBER, December 2014, Pages 249-255
Mohamed S. Shawir; Ahmed El-bakary; Samir A.M. Abdelgaleil; Gomaa R. M. Ramadan
Volume 35, April-June, April 2014, Pages 75-79
Mohamed S. Shawir; Moustafa Abdel-latif Abbassy; Yehia Mohamed Salem