(3MeGjI GdHjFI HGdbGfhf (B:s (3OQGSI ebGQfI ddbGfhf GddjHj (B/s - (3CQMheI, GdLjdGfj YHO GdSdGes ((3eUQGJI, djHjG (B:s (3GdOGQ GdLeGgjQjI ddfTQ hGdJhRjY hGdEYdGf,s, 2000)
(3edGMb (B: (3UaMI (B339-351.s
(3HHdjhLQGajI (B: (3UaMI (B353-357.s
Keywords: (3MeGjI GdHjFIs -- (3bhGfjf hJTQjYGJs -- (3djHjGs