Internet as Data Source in the Istat Survey on ICT in Enterprises. Austrian Journal of Statistics, [S. l.], v. 44, n. 2, p. 31–43, 2015. DOI: 10.17713/ajs.v44i2.53. Disponível em: https://www.ajs.or.at/index.php/ajs/article/view/vol44-2-3. Acesso em: 24 may. 2026.