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: jul. 21, 2026. Dostopno na: https://journals.um.si/index.php/oe/article/view/2315