Lofa, J. T. A.; Cangombe , M. C. MAPPING OF EROSION RISKS IN URBAN AND PERI-URBAN ENVIRONMENTS USING GEOGRAPHIC INFORMATION SYSTEMS: THE CASE OF LUBANGO, HUÍLA. REASE 2026, 12 (9), 1-27. https://doi.org/10.51891/rease.v12i9.30341.