TY  - BOOK
AU  - Solomon, Yvette
TI  - The practice of mathematics
SN  - 9780415030380
SN  - 90100966
U1  - 372.7 SOL 
PY  - 1989///
CY  - London ; New York
PB  - Routledge
KW  - Mathematics - Study and teaching (Elementary)
KW  - Piaget, Jean, 1896-1980
N1  - Includes index. Bibliography: p. 193-199
ER  -