Ogumeyo, S. A., Idisi, B. E., Enoyoze, E., Ehiwario, J. C., & Opone, F. C. (2025). Sustainable Inventory Models for Raw Material Procurement: Integrating Environmental Resource Management in Manufacturing. Earthline Journal of Mathematical Sciences, 16(1), 25-43. https://doi.org/10.34198/ejms.16126.03.025043