Nwagwu, W. and Akinyemi, E.K. 2025. Awareness and Usage of Management Information Systems and Decision Support Systems in Selected Federal Ministries and Agencies in Nigeria. Mousaion: South African Journal of Information Studies. 43, 1 (Jun. 2025), 24 pages . DOI:https://doi.org/10.25159/2663-659X/15481.