SARAFOGLOU, Nikias; ANDERSSON, Arne M.; HOLMBERG, Ingvar; OHLSSON, Olle. Spatial infrastructure and productivity in Sweden. Yugoslav Journal of Operations Research, [S. l.], v. 16, n. 1, p. 67–83, 2006. DOI: 10.2298/YJOR0601067S. Disponível em: https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/180. Acesso em: 25 oct. 2025.