(3eONd Edi JGQjN GdeZQH GdYQHj GdMOjK (B/s - (3eMeO GdYQHj, GdRHjQjs ((3GdLRGFQ (B:s (3GdTQcI GdhWfjI ddfTQ h GdJhRjY ,s, 1985)
Keywords: (3GdGhVGY GdEbJUGOjI s; (3GdGhVGY GdSjGSjI s; (3JGQjN GdeZQH GdYQHj GdMOjK s