Volume 29.2, Issue 58, July 1993, Pages 40-48
H.A. DAGHASH; M.M. SHETAEWI; N.M. SAAD
Volume 15.1, Issue 29, September 1985, Pages 93-98
T.A. EL-BASSIONY; F. ABOUL-KHIER; N.M. SAAD
Volume 15.1, Issue 29, September 1985, Pages 99-104
T.A. EL- BASSIONY; F. ABOUL-KHIER; N.M. SAAD