(3EYGOI GdfXQ aj GdCMcGe GdeOfjI hGdLfGFjI hGdYScQjI (B/s - (3GdThGQHj, YHO GdMejO eMeOs ((3GdEScfOQjI, eUQ (B:s (3efTCI GdeYGQa,s, 1987)
(3HHdjhLQGajI (B: (3UaMI (B194.s
Keywords: (3GdCMcGe (B((3bGfhf eQGaYGJ(B)s -- (3eUQs; (3bGfhf GdELQGAGJ GdeOfjI hGdJLGQjIs -- (3eUQs; (3GdeMGce GdYScQjIs -- (3eUQs