Berhanu, Besrat, and Zenagebriel Gebremedhn. “Experimental Investigation of Opuntia Ficus-Indica Mucilage As a Concrete Admixture for Sustainable Construction”. Ethiopian Journal of Science and Sustainable Development 12, no. 2 (August 3, 2025): 14–22. Accessed October 10, 2026. https://www.ajol.info/index.php/ejssd/article/view/302467.