Ayeni, D.A. and Adebiyi, F.M. 2022. Evaluation of Natural Radioactivity and Radiation Hazards of Soils around Petroleum Products Marketing Company using Gamma Ray Spectrometry. Tanzania Journal of Science. 48, 2 (Jun. 2022), 304–312. DOI:https://doi.org/10.4314/tjs.v48i2.7.