(3eTcdGJ GdedGMI GdHMQjI aj GdeVGjb GdYQHjI (B/s - (3OGhO, YHO GdefYe eMeO s ((3GdEScfOQjI, eUQ (B:s (3efTCI GdeYGQa,s, 1998)
(3HHdjhLQGajI (B: (3U(B. 281-287.s
Keywords: (3GdedGMI s -- (3bhGfjf hJTQjYGJ s -- (3GdHdGO GdYQHjIs; (3Gdfbd GdHMQjs -- (3bhGfjf hJTQjYGJ s -- (3GdHdGO GdYQHjIs; (3GdbGfhf GdOhdj GdHMQjs