N. A., Asen, et al. “Physico-Chemical Analysis of Water from Hand-Dug Wells in Wadata Area of Makurdi Metropolis, Nigeria.” International Journal of Environment, Agriculture and Biotechnology, vol. 4, no. 2, 2019, pp. 359–63. Crossref, https://doi.org/10.22161/ijeab/4.2.14.