(3GdcGed aj GdJGQjN (B/s - (3GHf GdGKjQ,GHj GdMSf Ydj Hf GHj GdcQe eMeO Hf eMeO Hf YHO GdcQje Hf YHO GdhGMO GdTjHGfjs; (3GdbGVj ,GHj GdaOGA YHOGddgs ((3HjQhJ (B:s (3OGQ GdcJH GdYdejI ,s, 1987)
Keywords: (3JGQjNs