Akpoyibo, O.; Abriku, O. E.; Umayah, O. S.; Ugbe, F. C.; Anomohanran, O. Geophysical Investigation and Protective Capacity of Frequently Failed Road Sections of Selected Roads in Delta State, Nigeria. NJP 2026, 35 (3), 333-356. https://doi.org/10.62292/njp.v35i3.2026.649.