DR. UCHENNA OBIEKWE AJATOR. The Imperatives of Effective Documentation in Contract Administration and Management in Nigeria. Global Journals of Research in Engineering, [S. l.], v. 17, n. E3, p. 39–53, 2017. Disponível em: https://engineeringresearch.org/index.php/GJRE/article/view/1705. Acesso em: 7 may. 2024.