Syamsir, A., S. M. Mubin, N. M. Nor, V. Anggraini, S. Nagappan, A. M. Sofan, and Z. C. Muda. 2020. “Effect of Combined Drink Cans and Steel Fibers on the Impact Resistance and Mechanical Properties of Concrete”. Journal of Mechanical Engineering and Sciences 14 (2):6734-42. https://doi.org/10.15282/jmes.14.2.2020.15.0527.