(3GWQGM acQI GdOaY HGdfXGe GdYGe fWGb GdbGfhf GdOhdj GdNGU (B/s - (3YfGjJ YHO GdMejO KGHJs; (3LGeYI GdbGgQIs (3cdjI GdMbhbs ((3GdbGgQI (B: s (3OGQ GdfgVI GdYQHjI,s, 1995)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbGfhf GdOhdj GdNGUs; (3acQI GdOaY HGdfXGe GdYGes; (3GdbGfhf GdOhdi GdNGUs; (3bhGYO JCejf GdeLJeYs; (3aV JOGNd eLGdGJ GfWHGb GdbhGfjf s; (3GdYdGbGJ GdbGfhfjI PGJ GdWGHY GdOhdis; (3GdbhGYO PGJ GdWGHY GdGeQ GdeWdbs; (3GdbGfhf GdGLfHis; (3bGfhf GdbGVis