NAGIRNAYA, Anastasia. Telecommunication traffic: global disparities and international flows. Bulletin of Geography. Socio-economic Series, [S. l.], n. 24, p. 177–190, 2014. DOI: 10.1515/bog-2014-0021. Disponível em: https://apcz.umk.pl/BGSS/article/view/bog-2014-0021. Acesso em: 3 mar. 2025.