ZBRÓG, Piotr. How to Study the Language Norm Scientifically – Preliminary Issues. Respectus Philologicus, [S. l.], v. 33, n. 38, p. 38–48, 2018. DOI: 10.15388/RESPECTUS.2018.33.38.04. Disponível em: https://www.journals.vu.lt/respectus-philologicus/article/view/13070.. Acesso em: 1 jul. 2024.