(3GdbGfhf GdOhdj GdNGU GdLRGFQj (B:s (3JfGRY GdbhGfjf (B/s - (3HdbGSe, CYQGHs ((3GdLRGFQ (B:s (3OGQ gheg ddfTQ hGdJhRjY,s, 2005)
(3HHdjhLQGajI (B: (3U(B. 340-344.s
Keywords: (3JfGRY GdbhGfjfs; (3GdbGfhf GdOhdj GdNGUs -- (3GdLRGFQs