MACHOWSKA, D. Investigating the role of customer churn in the optimal allocation of offensive and defensive advertising: the case of the competitive growing market. Economics and Business Review, [S. l.], v. 4, n. 2, p. 3–23, 2018. DOI: 10.18559/ebr.2018.2.1. Disponível em: https://journals.ue.poznan.pl/ebr/article/view/331. Acesso em: 3 jul. 2024.