BURKHARDT, Jason T. Principles of Methodology: Research Design in Social Science. Journal of MultiDisciplinary Evaluation, Kalamazoo, MI, USA, v. 8, n. 18, p. 62–64, 2012. DOI: 10.56645/jmde.v8i18.358. Disponível em: https://jmde.journals.publicknowledgeproject.org/index.php/jmde_1/article/view/358. Acesso em: 4 may. 2026.