DUBIHLELA, D.; SEKHAMPU, T. J. The Impact Of Price Changes On Demand Among Poor Households In A South African Township. International Business & Economics Research Journal (IBER), [S. l.], v. 13, n. 3, p. 463–474, 2014. DOI: 10.19030/iber.v13i3.8586. Disponível em: https://clutejournals.com/index.php/IBER/article/view/8586. Acesso em: 17 jul. 2024.