BABULAK, Eduard. Methodology to measure the quality of service in healthcare information and telecommunications infrastructures. Journal of Telecommunications and Information Technology, Warsaw, Poland, v. 22, n. 4, p. 133–138, 2005. DOI: 10.26636/jtit.2005.4.335. Disponível em: https://jtit.pl/jtit/article/view/335. Acesso em: 24 jun. 2026.