Abubakar, Aliyu, Abbagana Mohammed, Samson Duna, and Sa'eed Yusuf Umar. “Evaluation of First-Crack Strength of Waste Copper Wire Fiber Reinforced Concrete”. African Journal of Advances in Science and Technology Research 19, no. 1 (June 17, 2025): 243–257. Accessed October 27, 2026. https://afropolitanjournals.com/index.php/ajastr/article/view/832.