Mavrič, J., Tominc, P. in Bobek, V. (2014) „Gualitative Indicators for Measuring the Performance Development of selected Cities“, Naše gospodarstvo/Our economy, 60(3-4), str. 13–25. Dostopno na: https://old.journals.um.si/index.php/oe/article/view/2280 (Pridobljeno: 12 januar 2026).