Gutierrez Eugenio, E. 2014. Assessing L3 Teachers’ Beliefs about Multilingualism: Building, Fine-tuning and Validating a Trilingual Questionnaire. Working Papers in Language Pedagogy. 8, (Dec. 2014), 80–115. DOI:https://doi.org/10.61425/wplp.2014.08.80.115.