BULA VILLALOBOS, O. Content-Based Instruction: A Relevant Approach of Language Teaching. Innovaciones Educativas, [S. l.], v. 15, n. 20, p. 71–83, 2014. DOI: 10.22458/ie.v15i20.515. Disponível em: https://revistas.uned.ac.cr/index.php/innovaciones/article/view/515. Acesso em: 18 abr. 2024.