BALAISIS, P.; GUDONAVICIUS, R.; CINCIKAS, G.; CHOROSKO, P. Principles of Forecasting Quality of Telecommunication Services. Elektronika ir Elektrotechnika, [S. l.], v. 18, n. 5, 1998. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/16044. Acesso em: 1 may. 2024.