1. Cardimona, S. (2002) Electrical Resistivity Techniques for Subsurface Investigation. Lecture notes, University of Missouri-Rolla, Rolla.
2. Determination of the Aquifer and Its Hydraulic Parameters Using Vertical Electrical Sounding, Borehole Log Data and Borehole Water Conductivity: A Case Study of Olbanita Menengai Area, Nakuru, Kenya
3. Nyaberi, M.D. (2020) Delineation of Groundwater Potential Zones in Arid and Semi-Arid Lands Using Integrated Approaches of Remote Sensing, Geophysical Techniques and Borehole Data: A Case Study from Turkana South Sub-County, Kenya. PhD Thesis, Kisii University, Kisii.
4. The Hydro Geophysical Investigation of Oyo State Industrial Estate Ogbomosho, Southwestern Nigeria Using Vertical Electrical Soundings
5. Kuria, Z.N. (2006) Hydrogeology Notes. Lecture notes, University of Nairobi, Nairobi.