VAVRA, Janet K. Using SPIRES: The ICPSR Experience. IASSIST Quarterly, [S. l.], v. 10, n. 3, p. 41, 1987. DOI: 10.29173/iq51. Disponível em: https://iassistquarterly.com/index.php/iassist/article/view/51. Acesso em: 5 may. 2025.