ABOMAYE-NIMENIBO , Williams Aminadokiari Samuel; AMACHREE, Ibimina Daminabo. Production-Sharing and Service Contracts in Nigeria’s Upstream Petroleum Industry: How effective is its Chargeability, Cost Recovery and Financial Reporting Suitability. Direct Research Journal of Management and Strategic Studies, [S. l.], v. 7, n. 2, p. 35–46, 2026. DOI: 10.4314/drjmss.v7i2.1. Disponível em: https://journals.directresearchpublisher.org/index.php/drjmss/article/view/866. Acesso em: 12 sep. 2026.