MIKEC, Antun. Nove telekomunikacijske usluge. Promet - Traffic&Transportation, [S. l.], v. 3, n. 5, p. 211–217, 2012. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/1683. Acesso em: 27 aug. 2025.