TIEVA, Antti; JUNNONEN, Juha-Matti. Proactive contracting in finnish ppp projects. International Journal of Strategic Property Management, [S. l.], v. 13, n. 3, p. 219–228, 2009. DOI: 10.3846/1648-715X.2009.13.219-228. Disponível em: https://journals.vilniustech.lt/index.php/IJSPM/article/view/6193. Acesso em: 2 jul. 2025.