ADEGBUYIRO A., OBORE, A.A., Akinlalu,A.A.,. Application of Electrical Resistivity Method in Designing a Structural Model for a Proposed Filling Station Site, Akure, Southwestern Nigeria. Global Journal of Science Frontier Research, [S.l.], jan. 2017. ISSN 2249-4626. Available at: <https://journalofscience.org/index.php/GJSFR/article/view/1884>. Date accessed: 25 june 2019.