JACOBI, Claudia C.B. de. Teaching Material Design. A Case Study: Decir x Hablar. The ESPecialist, [S. l.], v. 26, n. 1, 2012. Disponível em: https://revistas.pucsp.br/index.php/esp/article/view/9282. Acesso em: 2 feb. 2026.