(3JGQjN TeGd GaQjbjG (B/s - (3YHO GdYRjR, GdKYGdHjs; (3CMeO Hf ejdGO(B;(3eMeO GOQjSs ((3HjQhJ (B:s (3OGQ GdZQH GdGSdGej ,s, 1987)
Keywords: (3GdOhdI GdCZdHjIs; (3GdaJM GdGSdGej s; (3TeGd GaQjbjG s