Gana A. J., Oni B. I., and Ovie E. G. “Analysis, Assessment and Application of Cassava Peel and Groundnut Shell Biochar for Concrete Production”. Journal of Systematic, Evaluation and Diversity Engineering 13, no. 5 (September 12, 2026). Accessed November 11, 2026. https://africanscholarpub.com/ajsede/article/view/1647.