Volume 49, Issue 9, September 2020, Pages 1-30
A. Nawar Hagar; M. Youssef Gamal; M. El-Nhass Mohammad; G. El-Malky Mohammad
Volume 47, Issue 3, September 2019, Pages 580-613
Hager A. Nawar; Gamal M. Youssef; Mahmoud M. El-Nhass; Mohamed GH. El-Malky