Abdulmumin, M., Sunusi, A., Abdullahi, D. W., & Idris, A. Z. (2026). Satellite-Derived Relative Bathymetry Mapping of Kopa Dam Using Sentinel-2 Level-2A Imagery and GIS Techniques. African Journal of Environmental Sciences and Renewable Energy, 23(1), 289-309. https://doi.org/10.62154/ajesre.2026.023.01023