RajÅ¡p, Matej, Lea Robič Mohar, and Matej Požarnik. “Development of a Numerical Regression Model of Gross Domestic Product Per Capita Movement in the European Union Member State As a Result of Investments in R&D from the Structural Funds”. International Journal of Economics and Financial Issues 10, no. 6 (November 4, 2020): 25–30. Accessed April 23, 2024. https://www.econjournals.com/index.php/ijefi/article/view/10620.