Perna, Cristina Becker Lopes, Karina Veronica Molsing, and Camila Visalli. “Teaching Strategies for the Four Skills in English As an Additional Language”. BELT - Brazilian English Language Teaching Journal 7, no. 1 (October 14, 2016): 1–2. Accessed March 28, 2024. https://revistaseletronicas.pucrs.br/index.php/belt/article/view/25542.