Volume 65, Issue 162, July 2019, Pages 63-70
EL-GARHI M.S; N.E. EL-BORDENY
Volume 58, Issue 132, January 2012, Pages 1-10
D.R. DERAR; M HAYDER; A. ALI; H. HAMDOUN
Volume 51, Issue 104, January 2005, Pages 1-11
H. A. HUSSEIN