PERČIĆ, Karolina; PERIĆ, Nenad. The Effectiveness of Direct Marketing Media Regarding Attitudes of Different Target Groups of Consumers in Serbia. Periodica Polytechnica Social and Management Sciences, [S. l.], v. 29, n. 1, p. 21–32, 2021. 10.3311/PPso.13616. Disponível em: https://pp.bme.hu/so/article/view/13616. Acesso em: 5 may. 2024.