Okonkwo VO, Nwogu CP, Obiora IJ, Njotea AB. Effects of Coarse Aggregates Gradings on the Properties of Concrete. etj [Internet]. 2023 Feb. 18 [cited 2024 Dec. 4];8(2):1992-6. Available from: https://everant.org/index.php/etj/article/view/817