(3TQM CMcGe bGfhf GdCef hGdTQWI aj GdJTQjY GddjHj (B/ s - (3CMeO YHO GddGg YHO GdMejO YHO GdQMje GdeQGZj(B.s ((3HfZGRj, djHjG (B: s (3OGQ GdcJH GdhWfjI,s, 2001)
(3jTJed Ydi GQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3bGfhf GdYbhHGJ GdYScQj(B.s -- (3djHjG(B.s; (3GdbGfhf GdLfGFj(B.s -- (3djHjG(B.s