Nekrep, Andreja, Sebastjan Strašek, in Darja Boršič. „Productivity and Economic Growth in the European Union: Impact of Investment in Research and Development“. Naše gospodarstvo/Our economy 64, no. 1 (julij 25, 2018): 18-27. Pridobljeno april 10, 2025. https://journals.um.si/index.php/oe/article/view/2189.