Herring, Trokon Cooper, Joseph N. Thuo, and Timothy Nyomboi. “Engineering and Durability Properties of Modified Coconut Shell Concrete”. Civil Engineering Journal 8, no. 2 (February 1, 2022): 362–381. Accessed June 28, 2025. https://www.civilejournal.org/index.php/cej/article/view/3385.