R. Solís-Carcaño, E. I. Moreno, e C. Arcudia-Abad, «Study of the Concrete”™s Compressive Strength Due to the Combined Effect oWater-cement ratio, the Coarse-fine Aggregate Ratio and the Source of the Aggregatesf the», REV TEC FAC ING UNIV, vol. 31, n. 3, 1.