(3GdfXQjI GdYGeg ai JSHjH GdMce GdLfGFi ai eQGMdg GdeNJdaI (B: s (3OQGSI ebGQfI (B/s - (3Ydj eMehO Ydj MehOIs ((3GdbGgQI (B: s (3OGQ GdgGfj , s, 1994)
Keywords: (3GdbGfhf GdLfGFj s; (3GdELQGAGJ GdLfGFjI s; (3GdCMcGe GdLfGFjIs