Moyano Barahona, Cristina, and Javier Rivas Rodríguez. “The Industrial Social Service in Chile: The Bounds of Field of Knowledge of ‘extensive control’ , 1920-1950”. Revista De Humanidades (Santiago. En línea), no. 35, June 2017, pp. 317-42, https://revistahumanidades.unab.cl/index.php/revista-de-humanidades/article/view/175.