Olaniyi, Alake, Popoola Oyinade Christianah, and Ewulo Lois Oluwadara. “Compressive Strength Characteristics of Pawpaw Leaf Ash and Bamboo Leaf Ash Blended Cement Concrete”. Engineering And Technology Journal 8, no. 11 (November 4, 2023): 2994–3001. Accessed July 22, 2024. https://everant.org/index.php/etj/article/view/1079.