Volume 15.2, Issue 30, January 1986, Pages 30-37
E.G. YOAKIM; M.K. EL-NAFFAR
Volume 14.1, Issue 27, January 1985, Pages 25-33
E.G. YOAKIM; B.M. KHIDR
Volume 12.2, Issue 24, September 1984, Pages 68-55
A. KHALIL; E.G. YOAKIM; U.M. MAHMOUD
Volume 12.2, Issue 24, September 1984, Pages 69-78
A. KHALIL; E.G. YOAKIM; U.M. MOHAMOUD
Volume 12.2, Issue 24, September 1984, Pages 79-84
A. KHALIL; E.G. YOAKIM; U.M. MAHMOUD
Volume 11.1, Issue 21, June 1983, Pages 52-59
A. KHALIL; E.G. YOAKIM; L.A. MEKKAWY
Volume 11.1, Issue 21, June 1983, Pages 60-72
A. KHALIL; E.G. YOAKIM; I.A. MEKKAWY
Volume 11.1, Issue 21, June 1983, Pages 73-83
A. KHALIL; E.G. YOAKIM; i.A. MEKKAWY