Abd, Suhad M., and Dhamyaa Ghalib Jassam. “Improving the Mechanical Properties of Lightweight Foamed Concrete Using Silica Fume and Steel Fibers”. Al-Nahrain Journal for Engineering Sciences, vol. 21, no. 2, Apr. 2018, pp. 300-7, https://doi.org/10.29194/NJES21020300.