ÅGREN, O. Assessment of WWW-Based Ranking Systems for Smaller Web Sites. INFOCOMP Journal of Computer Science, [S. l.], v. 5, n. 2, p. 45–55, 2006. Disponível em: https://infocomp.dcc.ufla.br/index.php/infocomp/article/view/133. Acesso em: 5 may. 2024.