Omeje, C.U. and Ugwu, H.N. (2025) “Radioactivity Measurements of Soil Samples from the Excavation Sites at Onyeama Hill (Ugwu – Onyeama) Enugu, Enugu State, Nigeria”, Nigerian Journal of Physics, 34(1), pp. 149–153. doi:10.62292/10.62292/njp.v34i1.2025.363.