(3JGQjN GdacQ GdadSaj aj GdESdGe (B: s (3GdebOeGJ GdYGeI (B- (3GdaQb GdESdGejI h Yde GdcdGe (B- (3GdadSaI GdESdGejI (B/ s - (3CHh QjGf, eMeO Ydjs ((3GdEScfOQjg (B:s (3OGQ GdeYQaI GdLGeYjI,s, 1989)
Keywords: (3GdadSaIs; (3JGQjNs