(3JMaI GdeDef hfHQGS GdeSde (B/ s - (3GdYdGa , MSjf GdSjO eLjO s; (3GdfYeI , EHQGgje s ((3GdehUd (B: s (3OGQ GdcJH ddWHGYI hGdfTQ , s, 1999)
Keywords: (3Gdabg GdESdGej s