1. Adebiyi FM, Bello OO, Sonibare JA, Macaulay SRA (2005) Determination of SARA constituents of southwestern Nigerian Tar sands and their physical properties. Eng J Univ Qatar 18:29–38
2. Adegoke OS, Ako BD, Enu EI, Afonja AA, Ajayi TR, Emofurieta WO, Soremekun OA (1980) Geotechnical investigations of the ondo state bituminous sands—volume I: geology and reserves estimate. Geological Consultancy Unit, Department of Geology, University of Ife, Nigeria (Unpublished)
3. Adeyemi GO, Akinmosin AA, Aladesanmi AO, Badmus GO (2013) Geophysical and sedimentological characterization of a Tar sand rich area in South-western Nigeria. J Environ Earth Sc 3(14):71–82
4. Akinmosin AA, Osinowo OO, Osei MM (2012) Geophysical and sedimentological studies for reservoir characterization of some tar sands deposits in southwest Nigeria. Mater Geoenviron 59(4):413–427
5. Anukwu G, Odunaike K, Fasunwon O (2014) Oil sands exploration using 2-D electrical imaging technique. J Nat Sci Res 4(4):68–73