Flexible Forms of Employment in Small and Medium-Size Enterprises: Conditions and Opportunities for Development. Kеy findings of research into the application of flexible forms of employment in small and medium-size enterprises in Bulgaria. UNWE Yearbook, [S. l.], v. 1, p. 7–46, 2009. Disponível em: https://ojs.e-dnrs.org/ybunwe/article/view/1347. Acesso em: 6 dec. 2025.