Kyurova, Vyara, and Blagovesta Koyundzhiyska-Davidkova. “Students’ Social Initiatives As A Prerequisite for Sustainable Development of Social Entrepreneurship: A Case Study in Bulgaria ”. European Journal of Sustainable Development 12, no. 4 (October 1, 2023): 426. Accessed November 22, 2024. https://ojs.ecsdev.org/index.php/ejsd/article/view/1478.