Costantino, Gustavo Daniel, Juliana Elisa Raffaghelli, Guadalupe Alvarez, and Lourdes Moran. 2012. “Qualitative Research Methods to Analyze Learning 2.0 Processes: Categorization, Recurrence, Saturation and Multimedia Triangulation”. Journal of E-Learning and Knowledge Society 8 (2). https://doi.org/10.20368/1971-8829/614.