shahrazad, I., and F. . SHEIKH KHALID. “Strength of Concrete Containing Combination of Macro Straight Glass and Polypropylene Fibre”. Recent Trends in Civil Engineering and Built Environment, vol. 3, no. 1, Dec. 2021, pp. 497-04, https://publisher.uthm.edu.my/periodicals/index.php/rtcebe/article/view/3263.