(3TQM GdUhdj dOjhGf GHj JeGe (B: s (3OQGSI hJMbjb (B/ s - (3fYeGf , Nda QTjO s; (3fYeGf , Nda QTjO s ((3GdYQGb (B: s (3hRGQI GdGYdGe , s, 1977)
Keywords: (3GdTYQ GdYQHj s -- (3JGQjN s -- (3GdYUQ GdYHGSj s