da Costa Dias J, Oliveira GC de A. Spanish language teaching in border contexts: the setbacks and the non-mandatory nature of its teaching in the new high school in the schools of Mâncio Lima/Acre. TheESP [Internet]. 2024 Feb. 14 [cited 2025 Dec. 5];45(1):30-55. Available from: https://revistas.pucsp.br/index.php/esp/article/view/64597