(3WQb GdJOQjS GdNGUI HGddZI GdYQHjI aj GdJQHjI GdESdGejI (B/ s - (3YGeQ, aNQ GdOjfs ((3WQGHdS djHjG (B:s (3LGeYI GdaGJM,s, 1992)
Keywords: (3GddZI GdYQHjIs; (3GdESdGes; (3GdOQGSGJs; (3GdJOQjSs