SZYMAŃSKA, A. I. The product innovation of production enterprises and consumer preferences. Studies of the Industrial Geography Commission of the Polish Geographical Society, [S. l.], v. 20, p. 147–161, 2012. DOI: 10.24917/20801653.20.10. Disponível em: https://prace-kgp.uken.krakow.pl/article/view/395. Acesso em: 2 may. 2024.