WEINANDT, M.; ALLGRUNN, M. Is Shopping at Walmart an Inferior Good? Evidence from 1997-2010. Journal of Applied Business and Economics, [S. l.], v. 18, n. 1, 2016. Disponível em: https://articlegateway.com/index.php/JABE/article/view/830. Acesso em: 22 jul. 2024.