(3fTCI EeGQI Bd GdQTjO (B/ s - (3GdYKjejf, YHO Gddg GdUGdMs ((3GdQjGV (B:s (3LGeYI GdQjGV (B- (3YeGOI TDhf GdecJHGJ,s, 1981)
Keywords: (3GdSYhOjIs; (3GdJGQjNs