TY  - BOOK
AU  -  Michael de Villiers
AU  - Gila Hanna
TI  - Proof and Proving in Mathematics Education
T2  - New ICMI Study Series; 15
SN  - 978-94-007-2128-9
PY  - 2012///
PB  - Springer Netherlands
KW  - Education
UR  - https://link.springer.com/openurl?genre=book&isbn=978-94-007-2129-6
ER  -