КУДЗИНОВСКАЯ, И. П. Comparative estimation of effectiveness ratio of switchboards of the third level. Problems of Informatization and Control, [S. l.], v. 1, n. 25, p. 98–101, 2009. DOI: 10.18372/2073-4751.1.6954. Disponível em: http://jrnl.kai.edu.ua/index.php/PIU/article/view/6954. Acesso em: 14 jun. 2026.