Volume 43, Issue 2, September 2021, Pages 189-206
Mohammed A. Sayed; Mohamed T. Said; Mahmoud A. El-Rawy
Volume 41, Issue 2, August 2019, Pages 149-158
A. H.A. Mahdi; H. S. Khalifa; R. S. Taha
Volume 33, Issue 1, June 2011, Pages 51-65