OFOEGBU, WILSON CHUKWUEMEKA. Process Optimization Model and Operational Efficiency of Manufacturing Firms in Rivers State, Nigeria. Eurasian Journal of Humanities and Social Sciences, [S. l.], v. 12, p. 13–23, 2022. Disponível em: https://geniusjournals.org/index.php/ejhss/article/view/5714. Acesso em: 31 jan. 2025.