Osu, S. R., A. G. Nwaogu, V. E. Onwineng, y M. U. AndrewEssien. 2025. «Effect of Organic Supplement and Cassava Variety on the Growth of Cassava Grown on Crude Oil Impacted Soil in Niger Delta Region, Nigeria». Journal of Science Education and Humanities 7 (1). https://akscoejoseh.org.ng/index.php/joseh/article/view/18.