@inbookWessel_2017, place=Dublin, Ireland, title=How do students develop lexical means for understanding the concept of relative frequency? Empirical insights on the basis of trace analyses, booktitle=Proceedings of the Tenth Congress of the European Society for Research in Mathematics Education (CERM, February 1 – 5, 2017), publisher=DCU Institute of Education and ERME., author=Wessel, Lena, editor=Dooley, T. and Gueudet, G., year=2017, pages=1388–1395 
LibreCat: /record/48411