(3GdeaGhVGJ GdSQjI Hjf GdYQH hGSQGFjd (B: (3L`(B1 (3GdGSWhQI hGdGeHQGWhQjI hGdOhdI GdjghOjI(B- (3L`(B-2 (3ehGRjf GdbhI hGdVYa (B- (3L`(B3 (3SdGe GdGhgGe (B: (3GhSdh eGbHdgG heGHYOgG (B/ s - (3eMeO MSfjf gjcds ((3GdbGgQI (B: s (3OGQ GdTQhb , s, 1996)
Keywords: (3GdGMhGd GdSjGSjIs; (3GdfRGY GdYQHi GdGSQGFjdis; (3GdeaGhVGJs; (3GdJShjI GdSdejI ddefGRYGJ GdOhdjIs