1. Akankpo, A. O., & Igboekwe, M. U. (2012). Preliminary Lithologic Deductions for Michael Okpara University of Agriculture, Umudike, Abia State, Nigeria, Using Vertical Electrical Sounding Method. Archives of Physics Research, 3, 292-302.
2. Akankpo, A. O., Akpabio, G. T., & Akpabio, I. O. (2009). Physiochemistry & Biological Properties of Groundwater Samples from Boreholes Sited near Waste Dumps in Uyo, Southwestern Nigeria. Natural and Applied Science Journal, 10, 156-165.
3. Monitoring Groundwater Contamination Using Surface Electrical Resistivity and Geochemical Methods
4. Geophysical Characterization of Aquifer Parameters within Basement Complex Rocks Using Electrical Sounding Data from the Polytechnic, Ibadan, Southwestern Nigeria
5. Akpabio, I., & Ekpo, E. (2008). Geoelectric Investigation for Groundwater Development of Southern Part of Nigeria. Pacific Journal of Science and Technology, 9, 219-226.