Delineating Depth to Bedrock using Electrical Resistivity: An Implication for Foundation Design in Engineering Site Investigation. LJSIR [انترنت]. 19 يونيو، 2026 [وثق 19 يونيو، 2026];4(2):18-26. موجود في: https://lafiascijournals.org.ng/index.php/ljsir/article/view/708