Villagra, María Tamara, and Carlos Tores Formoso. “Evaluation of the Physical Workload of Bricklayers During the Execution of Block Walls”. Revista Ingeniería de Construcción 15, no. 2 (August 31, 2000): 91–99. Accessed November 5, 2024. https://revistahistoria.uc.cl/index.php/ric/article/view/17411.