K. Crnogaj in M. Rebernik, „Critical Review of Internationally Comparable Entrepreneurship Activity Measures“, OE, let. 59, št. 5-6, str. 23–34, avg. 2013, Pridobljeno: jul. 21, 2026. Dostopno na: https://journals.um.si/index.php/oe/article/view/2297