TY  - BOOK
AU  - Averbach,Bonnie
AU  - Chein,Orin
TI  - Problem solving through recreational mathematics
SN  - 9780486409177
U1  - 510 A952 1980 
PY  - 1980///
CY  - Mineola
PB  - Dover Publications, Inc.
KW  - Mathematics
KW  - Problem solving
N1  - Includes index
ER  -