Volume 65, Issue 161, April 2019, Pages 159-163
KARMI MOHAMED
Volume 52, Issue 110, July 2006, Pages 111-120
MONA O. ABOUL EL-NILE
Volume 32.1, Issue 63, October 1994, Pages 82-94
M.N. EL-GHAZALI; S.I. EL-SYIAD; Sh. M. FATHI