(3JaSjQ GdYgO GdLOjO (B: (3SaQ GdQDjG (B/ s - (3UehFjd MHjHs; (3HWQS YHOGdedcs; (3efjS YHO GdfhQs; (3HGQcdi ,hdjes ((3GdbGgQI (B: s (3OGQ GdKbGaI GdeSjMjI , s, 1988)
Keywords: (3GdYgO GdLOjOs; (3GdOjf GdeSjMis