Mohammed Ali Garba, Celestina Sani Zubairu, Mustapha Ali Garba, and Ali Mohammed Ali , Trans., “Multivariate Hydrochemical Characterization and Spatial Variability of Groundwater Quality in Kano Region, Nigeria: Insights into Natural Geology and Anthropogenic Influence”, IJIES, vol. 13, no. 1, pp. 1–21, Jan. 2026, doi: 10.35940/ijies.C4733.13010126.