ONUKWULU, E. C.; FIEMOTONGHA, J. E.; IGWE, A. N.; EWIN, C. P.-M. Strategic contract negotiation in the oil and gas sector: approaches to securing high-value deals and long-term partnerships. Journal of Advance Multidisciplinary Research, [S. l.], v. 3, n. 2, p. 44–61, 2024. Disponível em: https://www.synstojournals.com/multi/article/view/144. Acesso em: 8 jun. 2025.