(3GdEQgGH hGdJWQa hGdYfa GdOhdj (B/ s - (3CHh GdQhS, CMeOs ((3GdEScfOQjI, eUQ (B: s (3GdecJH GdLGeYj GdMOjK, s, 2001)
(3ZdGa GdcJGH edhf heUhQ(B. s
(3HHdjhLQGajI (B: (3UaMI (B289-290. s
Keywords: (3GdbGfhf GdOhdj GdLfGFj s; (3GdLQGFe GdOhdjI s; (3GdEQgGH GdOhdj s; (3GdbGfhf GdOhdjs