Y. Ivanova, S. Georgieva, K. Kolarov, and K. Shindarova, “Entrepreneurs’ Characteristics as Determinants of the Internationalization of Bulgarian Small and Medium-Sized Enterprises”, YB, no. 2, pp. 9–27, Mar. 2021, Accessed: Jul. 22, 2026. Available: https://bjiep.e-dnrs.org/index.php/yb/article/view/5926