Calibration of Rainfall-Rainwater Capturing Mecha-nism Using Integrated Water Management Model (IWMm) in Auchi, Nigeria Journal title: Analele Universitatii "Eftimie Murgu" Resita. Fascicula de Inginerie Authors: Olotu Yahaya, E Alimasunya, A.A. Rodiya, S. Olaiya Subject(s):