BOSO, Àlex. King, Gary; Keohane, Robert; Verba, Sidney (1994). Designing Social Inquiry: Scientific Inference in Qualitative Research. Papers. Revista de Sociologia, [S. l.], v. 80, p. 302, 2006. DOI: 10.5565/rev/papers/v80n0.1836. Disponível em: https://papers.uab.cat/article/view/v80-boso. Acesso em: 30 abr. 2025.