(3KhQI GdehUd GdbhejI (B1959(3aUd aj JGQjN GdYQGb GdeYGUQ (B:s - (3GdOQI ,eMehOs ((3HZOGO(B:s (3efThQGJ ecJHI GdjbXI GdYQHjI ,s, 1987)
Keywords: (3GdehUd (B-(3JGQjNs