TY  - DATA
AU  - Willoughby, Stephen S.
TI  - Textbooks, testing, training: how we discourage thinking 
T2  - Spectrum, 
SN  - 9781614448037 (online)
PY  - 2014///
CY  - [Washington, D.C.]
PB  - Mathematical Association of America
UR  - https://doi.org/10.1090/spec/080
ER  -