MĘCZYŃSKI, M. Spatial diffusion of information and communication technologies (on the example of the spread of the bar code in Wielkopolska voivodeship). Studies of the Industrial Geography Commission of the Polish Geographical Society, [S. l.], v. 12, p. 109–122, 2009. DOI: 10.24917/20801653.12.9. Disponível em: https://prace-kgp.uken.krakow.pl/article/view/496. Acesso em: 7 may. 2024.