LENDEL, Viliam; VARMUS, Michal. The level of utilization of innovative activities of transport businesses in the Slovak Republic. Periodica Polytechnica Social and Management Sciences, [S. l.], v. 21, n. 2, p. 83–90, 2013. 10.3311/PPso.7090. Disponível em: https://pp.bme.hu/so/article/view/7090. Acesso em: 25 apr. 2024.