(3MVGQGJ GdTQb GdbOje (B: s (3GdYQGb , aGQS (B/ s - (3fLjH ejNGFjd GHQGgjes ((3GdbGgQI (B: s (3OGQ GdeYGQa , s, 1967)
Keywords: (3GdGThQjhfs; (3MVGQI GdYQGb GdbOjeIs; (3GdYQGb GdbOje (B- (3JGQjNs; (3GjQGf GdbOje (B- (3JGQjNs