KAMIENIECKI, Wojciech. EVA as a Tool for Estimation of Management Efficiency and Value Creation in Polish Telecom Sector. Journal of Telecommunications and Information Technology, Warsaw, Poland, v. 66, n. 4, p. 31–38, 2016. DOI: 10.26636/jtit.2016.4.760. Disponível em: https://jtit.pl/jtit/article/view/760. Acesso em: 10 jun. 2026.