„NATIONAL POLICY OF QUALITY, THE IMPLEMENTATION OF ISO SYSTEMS BY LARGE TRANSPORT CORPORATIONS ORIENTATED ON A MANAGEMENT OF QUALITY" (2010) Perner’s Contacts, 5(4), s. 46–50. Dostupné z: https://ojs-demo.upce.cz/index.php/perner/article/view/1041 (Viděno: 3 březen 2026).