G. . Šoster in M. . Markič, „The Use of Management Tools and Added Value in Slovenian Disabled Enterprises“, OE, let. 59, št. 1-2, str. 35–44, avg. 2013, Pridobljeno: 24. november 2025. [Na spletu]. Dostopno na: https://old.journals.um.si/index.php/oe/article/view/2315