J. Mavrič, P. . Tominc, in V. Bobek, „Gualitative Indicators for Measuring the Performance Development of selected Cities“, OE, let. 60, št. 3-4, str. 13–25, avg. 2014, Pridobljeno: 12. januar 2026. [Na spletu]. Dostopno na: https://old.journals.um.si/index.php/oe/article/view/2280