(3GdRhGLQ Yf EbJQGa GdcHGFQ (B/ s - (3GdgjKej, fhQ GdOjf CHh GdMSf Ydj Hf (B....s; (3YHO GdTGaj, CMeOs ((3HjQhJ (B:s (3OGQ GdcJH GdYdejI,s, 1987)
Keywords: (3GdESdGes; (3Gdabgs; (3GdYbhHGJs