Okogbule-Wonodi, A., and B. Nweke. “Influence of Solpawa SBR-Xtm Doses on Petroleum Hydrocarbon Contaminants in Sandy Soil at Different Depths”. European Journal of Science, Innovation and Technology, Vol. 3, no. 5, Nov. 2023, pp. 197-05, https://ejsit-journal.com/index.php/ejsit/article/view/298.