1. Otto Toeplitz's 1927 Paper on the Genetic Method in the Teaching of Mathematics. Issue 2 (21st May 2015) Authors: Fried, Michael N.; Jahnke, Hans Niels Journal: Science in context Issue: Volume 28:Issue 2(2015) Page Start: 285 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Traditions in German-speaking mathematics education research. ([2019]) Editors: Jahnke, Hans Niels; Hefendehl-Hebeker, Lisa Record Type: Book Extent: 1 online resource View Content: Available online (eLD content is only available in our Reading Rooms) ↗