(3eTQhY GdQjGVjGJ GdeOQSjI (B: s (3GdcJGH GdKGfj (B/ s - (3SYjOGf, CMeOs; (3YKeGf, CMeOs ((3YeGf (B:s (3GdLeYjI GdYdejI GdedcjI (B. (3OGFQI GdeYdheGJ h GdehGRfI (B. (3bSe GdKbGaI GdYdejI,s, 1985)
Keywords: (3GdQjGVjGJs; (3GdJOQjSs