Ikenna, Samuelson Jude, and Onuoha Stanley Chukwudozie. “Groundwater Quality Assessment in Crude Oil-Impacted Communities in Ogoniland in the Niger Delta Using the Water Quality Index (WQI)”. International Journal of Research in Engineering, Science and Management, vol. 7, no. 9, Sept. 2024, pp. 1-5, https://journal.ijresm.com/index.php/ijresm/article/view/3165.