Richie. I. Umasabor and Justin .N. Okolie. Locally Sourced Coarse Aggregate Effect on the Compressive Strength of Concrete: Case Study of Anambra State Sandstone. JSTR [Internet]. 2019 Mar. 25 [cited 2024 Oct. 22];1(1). Available from: https://journals.nipes.org/index.php/njstr/article/view/23