Ravelo, Livia Carolina. “The Use of Comic Strips As a Means of Teaching History in the EFL Class: Proposal of Activities Based on Two Historical Comic Strips Adhering to the Principles of CLIL”. Latin American Journal of Content & Language Integrated Learning, vol. 6, no. 1, Apr. 2013, pp. 1-19, doi:10.5294/laclil.2013.6.1.1.