KUIPERS-ZANDBERG, H.; KIRCHER, R. THE OBJECTIVE AND SUBJECTIVE ETHNOLINGUISTIC VITALITY OF WEST FRISIAN: PROMOTION AND PERCEPTION OF A MINORITY LANGUAGE IN THE NETHERLANDS. Sustainable Multilingualism / Darnioji daugiakalbystė, [S. l.], n. 17, p. 1–25, 2023. DOI: 10.2478/sm-2020-0011. Disponível em: https://ejournals.vdu.lt/index.php/SM/article/view/4292. Acesso em: 17 jul. 2024.