(3GdWHGHg h GdEWHGA (B/ s - (3CHh eOMJ, YHO Gddgs; (3eWdb, GdHjQs ((3HjQhJ (B:s (3ecJHI dHfGf,s, 1994)
Keywords: (3GdWHs; (3GWaGd eQMdg eJhSWg (B(6-9) (3SfhGJs