KASKONAS, P.; MESKUOTIENE, A. Telephone Call Duration Measurement Reference System. Elektronika ir Elektrotechnika, [S. l.], v. 20, n. 6, p. 67-70, 2014. DOI: 10.5755/j01.eee.20.6.3773. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/3773. Acesso em: 22 dec. 2024.