Jaramillo Urrutia, Ignacio Rafael. “Report of Visual Strategies Applied On-Line Course and Its Impact in the Acquisition of Significant Learning in Adult Students”. Praxis Pedagógica, vol. 7, no. 8, Jan. 2007, pp. 170-97, https://doi.org/10.26620/uniminuto.praxis.7.8.2007.170-197.