Physicochemical or geochemical

• Ako, A. A., Shimada, J., Hosono, T., Ichiyanagi, K., Nkeng, G. E., Fantong, W. Y., Eyong, G. E., Roger, N. N., (2011), Evaluation of groundwater quality and its suitability for drinking, domestic, and agricultural uses in the Banana Plain (Mbanga, Njombe, Penja) of the Cameroon Volcanic Line, Environmental Geochemistry and Health, 33(6), 559-575, 10.1007/s10653-010-9371-1