Costa, A.R., Martins, F., Andrade, A.I. and Pinho, A.S. 2023. Teaching English and developing students’ plurilingual competence: a case study in Portugal. Indagatio Didactica. 15, 3 (Jul. 2023), 127-146. DOI:https://doi.org/10.34624/id.v15i3.31843.