C. MOLUA and J. O. Ataman, “Mapping Dumpsite Plumes in Umunede Aquifers Using Very Low Frequency (VLF) Electromagnetic Field Techniques”, NJP, vol. 32, no. 2, pp. 112–122, Mar. 2024, Accessed: Jul. 04, 2025. [Online]. Available: https://njp.nipngr.org/index.php/njp/article/view/182