Volume 10, Issue 1, February 2017, Pages 71-75
El-Sharabasy H. .M.; Salwa, , M.E. Sholla; Samah M.Y. Helmy
Volume 5, Issue 2, August 2012, Pages 87-93
Abd Alaziz M. Ibraheem; Sayed A. G. Al-Arnaouty; Saber F. M. Moussa; Samah M. Y. Helmy