(3eUGOQ GdeYdheGJ aj GdYdhe h GdJcfhdhLjG (B/ s - (3HOQ, CMeOs ((3GdQjGV (B:s (3OGQ GdeQjN ddfTQ,s, 1992)
Keywords: (3GdJcfhdhLjGs; (3GdYdhes; (3GdHHdjhZQGajGJs