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://articlearchives.co/index.php/JABE/article/view/544. Acesso em: 1 oct. 2025.