Zakic, Nebojsa, Jovanka Popovic, and Miroslav Miskic. “The Linkages Between Investments in Innovation and Business Performance in Serbia”. Management:Journal of Sustainable Business and Management Solutions in Emerging Economies 25, no. 3 (December 1, 2020): 1–11. Accessed July 16, 2024. https://management.fon.bg.ac.rs/index.php/mng/article/view/278.