(3GdKhQI GdYQHjI aj VhA GdhKGFb GdeUQjI (B/ s - (3GdLejYj, YHO GdefYe GdOShbjs ((3GdbGgQI (B:s (3eDSSI GdCgQGe,s, 1982)
Keywords: (3JGQjN eUQs; (3GdJGQjN GdSjGSjs; (3GdKhQGJs