Vargas, Juan Pablo Zúñiga. «Promoting the Pedagogical Use of Pictograms: A Case Study of Five In-Service Costa Rican English Teachers». BELT - Brazilian English Language Teaching Journal 12, no. 1 (diciembre 15, 2021): e41142. Accedido octubre 19, 2024. https://revistaseletronicas.pucrs.br/belt/article/view/41142.