TY  - BOOK
AU  - Cho,Sung-Je
TI  - The Proceedings of the 12th International Congress on Mathematical Education: Intellectual and Attitudinal Challenges
SN  - 9783319126883
AV  - QA10.92-20 
PY  - 2015///
CY  - Cham
PB  - Springer International Publishing AG
KW  - Electronic books
UR  - https://www.nbs.de/bibliothek/faq
UR  - https://ebookcentral.proquest.com/lib/nbsde/detail.action?docID=6422731
ER  -