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 4, no. 07 (July 6, 2018): 1831–1850. Accessed April 18, 2025. http://rajournals.in/index.php/rajar/article/view/11.