A. J., OLATUNJI, MADUAGWU K. K., and BALOGUN A. Q. “Alternative Building Materials to Concrete in A Tropical Region: A Review”. Anchor University Journal of Science and Technology 5, no. 2 (March 4, 2025): 258–269. Accessed September 28, 2026. https://www.ajol.info/index.php/aujst/article/view/290388.