1. Signs of signification : semiotics in mathematics education research /: semiotics in mathematics education research. ([2018]) Editors: Presmeg, Norma C; Radford, Luis; Roth, Wolff-Michael, 1953-; Kadunz, Gert Other Names: International Congress on Mathematical Education, 13th Record Type: Book Extent: 1 online resource, illustrations View Content: Available online (eLD content is only available in our Reading Rooms) ↗