(3GdehGQjK h GdhUjI h GdgHI aj GdTQjYI GdESdGejI h GdbGfhf h fUhU GdbhGfjf GdUGOQI HTCfgG (B/ s - (3HOQGf, HOQGf CHh GdYjfjfs ((3GdEScfOQjI (B:s (3eQcR GdCScfOQjI ddcJGH,s, 1995)
Keywords: (3GdejQGKs; (3GdhUjIs; (3GdgHIs