Volume 3, Issue 1, March 1980, Pages 9-18
M. GABALLAH; ZAIZAFON BADAWY
Volume 2, Issue 1, January 1979, Pages 105-114
ZAIZAFON BADAWY; M. GABALLAH; A. ESSAWY
Volume 2, Issue 1, January 1979, Pages 115-122
M. AKHAWY; M. GABALLAH; ZAIZATSN BADAWY; M. SHERIF
Volume 2, Issue 1, January 1979, Pages 123-132
M RAKHAWY; M. GABALLAH; ZAIZAFON BADAWY; M. SHER,IF