(3GdehLR aj GdCOH GdYQHj h JGQjNg (B/ s - (3GdaGNhQj, MfGs ((3HjQhJ (B:s (3OGQ GdLjd,s, 1991)
Keywords: (3GdCOH GdYQHjs; (3GdJGQjN GdCOHjs; (3GdfbO GdCOHjs