TY  - BOOK
AU  - Southall, Ed
TI  - Yes, But Why?: Teaching for understanding in mathematics
SN  - 9781473948969
U1  - 510.71/SOU/Y 
PY  - 2017///
CY  - London
PB  - Sage Publications Ltd
KW  - Education
KW  - Mathematics--Study and teaching
KW  - Mathematics
ER  -