KROKSTAD M.FL, S. Classifying people by social class in population based health surveys: Two methods compared. Norsk Epidemiologi, [S. l.], v. 12, n. 1, 2009. DOI: 10.5324/nje.v12i1.501. Disponível em: https://www.ntnu.no/ojs/index.php/norepid/article/view/501. Acesso em: 28 apr. 2024.