(3GdKjGH (B/ s - (3eWdb, GdHjQs ((3HjQhJ (B:s (3ecJHI dHfGf,s, 1988)
Keywords: (3GdedGHSs; (3GWaGd eQMdg eJhSWg (B(6-9) (3SfhGJs