Z. Birkner, T. Máhr, E. Péter, in N. Rodek Berkes, „Characteristics of Innovation in Regions with Small- and Medium- Sized Towns“, OE, let. 64, št. 2, str. 34–42, jul. 2018, Pridobljeno: sep. 15, 2026. Dostopno na: https://journals.um.si/index.php/oe/article/view/2183