Abdulhussein S, M.Z.A. Mohd Zahid, Johari IB, Fawzi NM. Characteristics of Novel Lightweight Concrete Strengthened by Waste Copper Fiber and Steel Fiber. J. eng. sustain. dev. [Internet]. 2025 Nov. 1 [cited 2026 Aug. 4];29(6):725-3. Available from: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/2969