UHER, Rolf; MUELLER, Irene. The International Social Survey Program - ISSP. IASSIST Quarterly, [S. l.], v. 12, n. 4, p. 3, 1989. DOI: 10.29173/iq826. Disponível em: https://iassistquarterly.com/index.php/iassist/article/view/826. Acesso em: 3 jul. 2024.