TOBAR, Luis Antonio. Research applied to market studies. Reality and Reflection, [S. l.], v. 50, n. 50, p. 19–30, 2019. DOI: 10.5377/ryr.v50i50.9040. Disponível em: https://www.camjol.info/index.php/RyR/article/view/9040. Acesso em: 6 dec. 2025.