(3HYV GdHYKGJ GdYdejI GdTgjQI (B/ s - (3ghdOf, QGjehfOs; (3gOGQI, SjO QeVGfs ((3GdbGgQI (B:s (3OGQ GdeYGQa,s, 1992)
Keywords: (3CYeGb GdHMQs; (3GdQMdGJ GdYdejIs; (3GdCQVs; (3fGTFhf UZGQ (B(10-14) (3SfIs