I. U., Ubong, and Sunday, A.E. Reapson. 2018. “Effects of Crude Oil Pollution on Soil Physico-Chemical Properties in Crude Polluted Soil of Arachis Hypogea and Citrullus Vulgaris Potted Plant”. RA Journal Of Applied Research 4 (07):1831-50. https://doi.org/10.31142/rajar/v4i7.04.