BETZ, Frederick. Contextual Methodology in the Social Sciences: Historiography, Middle-Range-Theory, & Models. Advances in Social Sciences Research Journal, [S. l.], v. 3, n. 7, 2016. DOI: 10.14738/assrj.37.2108. Disponível em: https://scholarpublishing.org/journals/index.php/ASSRJ/article/view/2443. Acesso em: 28 may. 2026.