TIMOFEEVA, S. .; RAYNA BOYKOVA, . D. . SOCIAL ENTERPRISES IN BULGARIA. Europa del Este Unida, [S. l.], p. . 01–15, 2021. Disponível em: https://www.europadelesteunida.com/index.php/edeu/article/view/65. Acesso em: 22 may. 2025.