Nuñez Vasquez KE, Tello Perez LC. Compressive Strength of Concrete f’c= 210 kg/cm2 replacing fine aggregate with quartz sand in 10%, 15% and 20%. LACCEI [Internet]. 2025 July 27 [cited 2026 Oct. 3];1(12). Available from: https://proceedings.laccei.org/index.php/laccei/article/view/4239