Volume 66, Issue 164, January 2020, Pages 103-110
M.I. EL-GAOS; M.R. KHALIL,; MAHMOUD, ABDELRAHMAN; AHMED, RAMADAN
Volume 57, Issue 129, April 2011, Pages 1-11
DOAA M. ABD EL-AZIZ; M.A. MOHAMED; SOHAILA FATHI HASSAN ALI