1. Calculus – A complete course;Adams,2006
2. Why the professor must be a stimulating teacher: Towards a new paradigm of teaching mathematics at university level;Alsina,2001
3. The role of visual representations in the learning of mathematics;Arcavi;Educational Studies in Mathematics,2003
4. The acquisition and retention of knowledge: A cognitive view;Ausubel,2000
5. University mathematics teachers’ views on the required reasoning in calculus exams;Bergqvist,2006