(3eQShe HbGfhf Qbe (B28 (3dSfI (B1975 (3HGUOGQ bGfhf GdTQcGJ GdJLGQjI (B/ s - (3hRGQI GdJLGQI (B- (3OhdI GdHMQjf (B.s ((3GdHMQjf (B:s (3hRGQI GdJLGQI (B- (3OhdI GdHMQjf (B.s, 1975)
Keywords: (3bGfhf GdJLGQI (B- (3GdHMQjf (B.s