Mellado, Claudia, and María Soledad Vargas. “The Influence of the Thematic Beat in the Presence of the Civic and the Infotainment Journalistic Roles in the Chilean Press: A Crosslongitudinal Study Between 1990 and 2010”. Estudios sobre el Mensaje Periodístico 24, no. 1 (April 17, 2018): 283–294. https://doi.org/10.5209/ESMP.59950.