Mosvold, Reidar, Hoover, Mark, Grundén, Helen, Nic Mhuirí, Siún ORCID: 0000-0001-5008-5573 and Chotou, Chrysoula (2023) An introduction to TWG19: Mathematics teaching and teacher practice(s). In: Conference of the European Society for Research in Mathematics Education, July 2023, Budapest, Hungary. ISBN 978-963-7031-04-5