Sándorfi, Gergő, and Béla Pataki. “Innovation in Nonbusiness Organizations from a Conceptual Point of View”. International Journal of Engineering and Management Sciences 6, no. 3 (November 19, 2021): 97–102. Accessed April 28, 2024. https://ojs.lib.unideb.hu/IJEMS/article/view/9375.