Volume 39, Issue 2, December 2018, Pages 39-51
Abdelfattah Ali Zalat; Ayat allah Roshdy Saleh
Volume 38, Issue 2, December 2017, Pages 210-218
Abdelfattah Ali Zalat; Atef M. Abo - Shady; Emad A. Al-Ashkar; Mohamed E. Ghobara