(3eaGgje CSGSjI aj GdYdhe h GdQjGVjGJ (B/ s - (3SfbQW, hLOGfs ((3YeGf (B:s (3ecJHI OGQ GdKbGaI ddfTQ h GdJhRjY,s, 1991)
Keywords: (3adSaI GdYdes; (3adSaI GdQjGVjGJs