SANTAMARIA, J. L.; VALENTIN, V. Perceptions on construction-related factors that affect concrete quality, costs and production. ACI Avances en Ciencias e Ingenierías, [S. l.], v. 10, n. 1, 2018. DOI: 10.18272/aci.v10i1.980. Disponível em: https://revistas.usfq.edu.ec/index.php/avances/article/view/980. Acesso em: 10 dic. 2022.