(3GdKhQI GdLRGFQjI aj GdTYQ GdYQGbj (B/s - (3SYOj, YKeGfs ((3GdLRGFQ (B:s (3GdeDSSI GdhWfjI ddcJGH ,s, 1985)
Keywords: (3GdKhQI GdLRGFQjIs; (3GdTYQ GdYQGbj s