Volume 67, Issue 169, April 2021, Pages 74-90
ABDOU, M.S.; ATEF A.SALIM; EL DAKROURY M.F.
Volume 58, Issue 132, January 2012, Pages 1-23
W.A. AL-OBAIDII; M.M. KATRANJI; A. AL-KHALED
Volume 55, Issue 122, July 2009, Pages 1-22
HEBAT-ALLAH A.E. MOHAMED; I.A. FOUAD
Volume 54, Issue 116, January 2008, Pages 231-243
HEBAT – ALLAH ABD EL HALIM MOHAMED