V. Trančar, „The Influence of One’s Own Database on the Accuracy of Forecasting Future Movements of Investment Portfolio Value“, OE, let. 63, št. 2, str. 42–48, jul. 2017, Pridobljeno: jul. 21, 2026. Dostopno na: https://journals.um.si/index.php/oe/article/view/2210