(3ebOeI aj GdNWQ h GdJCejf GdfhGMj GdfXQjI hGdJWHjbGJ GdYedjI hGdQjGVjI (B/ s - (3YHO QHg, EHQGgje Ydj EHQGgjes ((3GdCScfOQjI (B:s (3GdOGQ GdLGeYjI ddWHGYI hGdfTQ hGdJhRjY,s, 1989)
Keywords: (3GdJCejfs