LENDEL, Viliam; VARMUS, Michal. Use of innovation in marketing management of Slovak business enterprises. Business: Theory and Practice, [S. l.], v. 14, n. 1, p. 35–42, 2013. DOI: 10.3846/btp.2013.04. Disponível em: https://journals.vilniustech.lt/index.php/BTP/article/view/8532. Acesso em: 5 jun. 2025.