(3GdSja GdjeGfj aj fMQ GdCUagGfj UGMH GdCZGfj (B/ s - (3GdCYXej, hdjOs ((3GdefUhQg (B:s (3OGQ GdhaGA ddWHGYI h GdfTQ h GdJhRjY,s, 1992)
Keywords: (3GdehShYGJs; (3GdJGQjNs; (3GdfbOs; (3GdcJHs