VÄYRYNEN, S.; RÖNING, J.; ALAKÄRPPÄ, I. User-centered development of video telephony for servicing mainly older users: Review and evaluation of an approach applied for 10 years. Human Technology, [S. l.], v. 2, n. 1, p. 8–37, 2006. DOI: 10.17011/ht/urn.2006157. Disponível em: https://ht.csr-pub.eu/index.php/ht/article/view/28. Acesso em: 17 jul. 2026.