Volume 47, Issue 1, July 2019, Pages 97-120
Ahmed H. Zian; Hala M.R. El-Gendy; Heba S. Shehata
Volume 39, Issue 2, December 2011, Pages 107-122
Metwaly A. Baraka; Waleed I. Shaban; Nemat M. Awad; Ahmed H. Zian