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: 24. november 2025. [Na spletu]. Dostopno na: https://old.journals.um.si/index.php/oe/article/view/2297