Volume 26, Special issue (2C), May 2018, Pages 1895-1906
A.R., Khalaf; M.H., El-kalyoubi; M.F. Khallaf; A.S. Hussein; I.F. Helmy
Volume 26, Special issue (2D), February 2018, Pages 2401-2409
Hanem M. Gharib; M. F. Khallaf; Y. A. Abd El-Daim; I. S. Ashoush; E. M. Hammad