1. Is mathematics for real?
http://www.nybooks.com/articles/1981/08/13/is-mathematics-for-real/
2. Culture and cognition: Towards an anthropology of mathematical thinking;Radford,2008
3. Philosophy of Mathematics: A Contemporary Introduction to the World of Proofs and Pictures;Brown,2008
4. Mathematics teachers’ beliefs and affect;Philipp,2007
5. What is our first philosophy in mathematics education?;Ernest;Learn. Math.,2012