(3GdEPf HGdJaJjT hGdVHW (B: s (3OQGSI ebGQfI (B/ s - (3MSGe GdOjf eMeO CMeO(B.s ((3GdbGgQI (B: s (3OGQ GdfgVI GdYQHjI,s, 1997)
(3HHdjhLQGajI ; UaMI (B363 - 368.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdJaJjT hGdVHWs -- (3eUQs; (3GdbGfhf GdLfGFj s; (3GdVHW GdbVGFjs