Saadu Umar Wali et al. 2021. Modelling Flow and Fate of Contaminants in Groundwater Using a Version of the Five Steady- State Pollutant Transport Models. Journal of Electronics, Computer Networking and Applied Mathematics . 1, 01 (Aug. 2021), 1–30. DOI:https://doi.org/10.55529/jecnam.11.1.30.