(3BKGQ GdChd aj JQJjH GdOhd (B/ s - (3GdYHGSj, GdMSf Hf YHO Gddg Hf YeQs; (3YejQI, YHO GdQMefs ((3HjQhJ (B:s (3OGQ GdLjd,s, 1989)
Keywords: (3GdCMcGe GdSdWGfjgs