Volume 28, Issue 2, December 2020, Pages 485-503
Ahmed Nazmy Abdel Hamid
Volume 17, Issue 1, March 2009, Pages 185-192
L.A. Youssef; M.S . Abdel-Wahaed; A.S. Kassab; M.M.E. Saleh
Volume 16, Issue 1, March 2008, Pages 203-210
Alqarni A.S; F J Alatawi
Volume 14, Issue 1, March 2006, Pages 121-132
M.F. Ghaly