TY  - BOOK
AU  - edited by HOWSON, A. G. 
TI  - Developments in Mathematical Education: Proceedings of the Second International Congress on Mathematical Education 
SN  - 052120190
U1  - 510.7 
PY  - 1973///.
CY  - London
PB  - Cambridge University Pess , 
KW  - Mathematics
N1  - includes index
ER  -