VENTOVUORI, Tomi. Elements of sourcing strategies in FM services – a multiple case study. International Journal of Strategic Property Management, [S. l.], v. 10, n. 4, p. 249–267, 2010. DOI: 10.3846/1648715X.2006.9637556. Disponível em: https://journals.vilniustech.lt/index.php/IJSPM/article/view/7255. Acesso em: 24 jun. 2025.