Volume 44, Issue 2, March 2017, Pages 563-570
Rania A. El-Samahy; Gh. A. El-Sayiad; D. E. Abou-Kassem; E. A. Ashour
Volume 43, Issue 4, July 2016, Pages 1253-1266
Mohamed A. Nour; M. M. El-Hindawy; A. I. Attia; E. A. Ashour