KOVACHEVA, S.; KABAIVANOV, S. Work-Life Balance of Employees in Bulgarian Service Sector Companies. Calitatea Vieții, [S. l.], v. 19, n. 1-2, p. 3–31, 2008. Disponível em: https://revistacalitateavietii.ro/journal/article/view/527. Acesso em: 5 feb. 2025.