GYAMFI, T. A.; BOADAA, R.; ADU-FOSU, B. Risk Analysis of Procurement Options: Implications for Construction Firms in Ghana. International Journal of Sciences: Basic and Applied Research (IJSBAR), [S. l.], v. 28, n. 1, p. 90–102, 2016. Disponível em: https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/5163. Acesso em: 3 jul. 2024.