Egor, A. O, Adedokun, I. O, Uquetan, U. I, Osang, J. E, Isreal-Cookey C, and Oba, J. O. “Application of Electro- Geophysical and Laboratary Methods in Soil Quality Assessment for Lowland Rice Production in Obubra Local Government Area, Cross River State”. To Physics Journal 6 (August 30, 2020): 19-43. Accessed January 21, 2021.