Šarotar Žižek S., Nedelko Z., Mulej M., in Veingerl Čič Živa. „Key Performance Indicators and Industry 4.0 – A Socially Responsible Perspective“. Naše gospodarstvo/Our Economy, Let. 66, št. 3, julij 2020., str. 22-35, https://old.journals.um.si/index.php/oe/article/view/2124.