I. U., Ubong, and Sunday, A.E. Reapson. “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, vol. 4, no. 07, July 2018, pp. 1831-50, doi:10.31142/rajar/v4i7.04.