Della-Valle, Karolina, and Andrzej Kuciński. “Crowdfunding – an Opportunity or a Risk for Small Enterprises?”. Kwartalnik Nauk o Przedsiębiorstwie 81, no. 3 (September 30, 2026): 55–72. Accessed October 2, 2026. https://econjournals.sgh.waw.pl/KNoP/article/view/5515.