HETÉNYI, Gábor. New Research methods of Sales-Marketing Interfaces. International Journal of Engineering and Management Sciences, [S. l.], v. 5, n. 3, p. 160–183, 2020. DOI: 10.21791/IJEMS.2020.3.17. Disponível em: https://ojs.lib.unideb.hu/IJEMS/article/view/8139.. Acesso em: 27 apr. 2024.