HANNULA, M.; LONNQVIST, A. How The Internet Affects Productivity. International Business & Economics Research Journal (IBER), [S. l.], v. 1, n. 2, 2002. DOI: 10.19030/iber.v1i2.3896. Disponível em: https://clutejournals.com/index.php/IBER/article/view/3896. Acesso em: 17 jul. 2024.