Public Private Partnership (PPP) and its Evolution – A Conceptual Framework. International Journal of Scientific Research and Management (IJSRM), [S. l.], v. 5, n. 7, p. 6070–6074, 2017. DOI: 10.18535/ijsrm/v5i7.32. Disponível em: https://ijsrm.net/index.php/ijsrm/article/view/803.. Acesso em: 4 may. 2024.