Samuel Olajide Babawale and O. O. Ogunkoya , Variations in Water Supply and Quality in Selected Groundwater Sources in a Part of Southwest Nigeria. journal = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology. November 2018, vol. 144(12). 767 - 770 [viewed 21 September 2024]. Available from: https://publications.waset.org/pdf/10009890.