Contreras Ospitia, Letty Hazbleidy, Sandra Milena Charry Garzón, and Angela Yicely Castro Garcés. “Speaking Skill Development through the Implementation of Multimedia Projects”. GIST – Education and Learning Research Journal, no. 12 (June 23, 2016): 8-28. Accessed April 17, 2021. https://latinjournal.org/index.php/gist/article/view/393.