(3GdhLjR ai TQM bGfhf GdELQGAGJ GdLfGFjI GdEJMGOi dOhdI GdEeGQGJ GdYQHjI GdeJMOI (B/s - (3eOMJ QeVGf s ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI (B,s, 2000)
(3GdfU HGddZI GdYQHjIs
Keywords: (3bGfhf LfGFjs; (3bGfhf GdELQGAGJ GdLfGFjIs