EGOR, A. O; ADEDOKUN, I. O; UQUETAN, U. I; OSANG, J. E; ISREAL-COOKEY C; 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, [S. l.], v. 6, p. 19-43, 2020. Disponível em: https://purkh.com/index.php/tophy/article/view/836. Acesso em: 21 jan. 2021.