(3aj GdSdWI (B: s (3GdJGQjN GdWHjYj dfehgG (B/s - (3afjd , HQJQGf OhLh s; (3UGUjdG , eMeO YQH s; (3GdLjhTj , aGWeI s ((3OeTb (B: s (3hRGQI GdKbGaI , s, 1999)
Keywords: (3GdSdWI GdSjGSjI s