(3GdNdjL GdYQHj h GdeZQH GdYQHj (B:s (3OQGSGJ aj GdJGQjN GdSjGSj h GdGLJeGYj h GdGbJUGOj (B/s - (3GdJejej , YHO GdeGdc Nda s ((3bHQU (B:s (3OGQ GdTHGH ddfTQ ,s, 1986)
Keywords: (3NdjL s; (3YQHj s; (3YQHj s; (3eZQH s