Volume 37, July-September, September 2016, Pages 529-540
Hala A. Abd El-Aal; Darwisch, W.Mohamed; Naglaa M. Ismaeil; Abu–Tour S.M.
Volume 32, OCTOBER- DECEMBER, December 2011, Pages 498-514
Himida, I.H.; Holial, H.M.; Shaaban, M.N.; El-Fiky, A.A.; Abd El-Latif, R.M.