Latent Structure of Earnings Modelst. The Pakistan Development Review, [S. l.], v. 28, n. 4II, p. pp.903–910, 1989. DOI: 10.30541/v28i4IIpp.903-910. Disponível em: https://thepdr.pk/index.php/pdr/article/view/939. Acesso em: 26 oct. 2025.