Correlation Analysis between Income Level, Discounts and Unplanned Purchases in Urban Communities. JMB : Jurnal Manajemen dan Bisnis, [S. l.], v. 15, n. 1, p. 35–41, 2026. DOI: 10.31000/jmb.v15i1.16100. Disponível em: https://jurnal.umt.ac.id/index.php/jmb/article/view/16100. Acesso em: 25 oct. 2026.