Application Of 2-D and 3-D Electrical Resistivity Tomography of Subsurface Weak Zones for Urban Infrastructure Stability Assessment: A Case Study of Anwai in Asaba, South-South Nigeria. njap [Internet]. 2026 Jun. 22 [cited 2026 Jul. 27];2(1):232-40. Available from: https://njap.nipngr.org/index.php/njap/article/view/74