International Congress on Mathematical Education Seoul. (2015). The Proceedings of the 12th International Congress on Mathematical Education: Intellectual and attitudinal challenges. Springer International Publishing. https://doi.org/10.1007/978-3-319-12688-3
Chicago-Zitierstil (17. Ausg.)International Congress on Mathematical Education Seoul. The Proceedings of the 12th International Congress on Mathematical Education: Intellectual and Attitudinal Challenges. Cham [u.a.]: Springer International Publishing, 2015. https://doi.org/10.1007/978-3-319-12688-3.
MLA-Zitierstil (9. Ausg.)International Congress on Mathematical Education Seoul. The Proceedings of the 12th International Congress on Mathematical Education: Intellectual and Attitudinal Challenges. Springer International Publishing, 2015. https://doi.org/10.1007/978-3-319-12688-3.