Viáfara, John Jairo. “Comparing L1 With L2 Acquisition: How Learning Factors and Stages Reveal Differences and Similarities Between the Two Processes”. Enletawa Journal, no. 3 Jan (May 31, 2013). Accessed March 28, 2024. https://revistas.uptc.edu.co/index.php/enletawa_journal/article/view/1944.