Volume 44, Issue 1, January 2017, Pages 159-170
El-Sayed H.A. Hamad; G. S.A. Eisa; M. A. Abdelkader
Volume 43, Issue 6, November and December 2016, Pages 2395-2410
Abd El-Rahman E.A. Mohamed; G. S.A Eisa; A. Z. Aly; Ettemad A.H. Osman