KOVALCHUK, S.; KOBETS, D.; DYBCHUK, L. Formation of a system approach to the optimization of marketing management at an enterprise. Eastern-European Journal of Enterprise Technologies, [S. l.], v. 3, n. 4(81), p. 4–12, 2016. DOI: 10.15587/1729-4061.2016.70540. Disponível em: https://journals.uran.ua/eejet/article/view/70540. Acesso em: 18 jul. 2024.