(3OQhS aj GdbGfhf GdOhdj GdYGe (B:s (3GdbGfhf GdOhdj GdLOjO ddHMGQ (B/s - (3eajO eMehO TgGHs ((3GdbGgQI (B: s (3OGQ GdfgVI GdYQHjI , s, 1991)
(3jTJed Ydj GQLGYGJ HHdjhLQGajIs
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbGfhf GdOhdj GdHMQjs; (3GdbGfhf GdOhdj GdYGes