(3GdKhQI GdLRGFQjI (B......... :s (3eYWjGJ h JMOjGJ (B/s - (3hdO NdjaI,eMeOGdYQHj s ((3GdLRGFQ (B:s (3GdeDSSI GdhWfjI ddcJGH ,s, 1991)
Keywords: (3JMOjGJ s; (3GdKhQI s; (3GdLRGFQjI s; (3eYWjGJs