Belmar, G., Boven, C. van, & Pinho, S. (2023). WHY DO ADULTS DECIDE TO LEARN A MINORITY LANGUAGE? A STUDY OF THE MOTIVATION(S) OF POTENTIAL NEW SPEAKERS OF WEST FRISIAN. Sustainable Multilingualism / Darnioji Daugiakalbystė, (14), 138–159. https://doi.org/10.2478/sm-2019-0007