TY  - GEN
AU  - Bernstein , Allen, L.
AU  - Wells , David , W. 
TI  - Trouble-shooting mathematics skills
SN  - 0030687357
U1  - 510 
PY  - 1969///
CY  - USA.
PB  - Holt, Rinehart and Winston,Inc.
KW  - MATHEMATICS
KW  - MATHEMATICS AT WORK
KW  - MEASUREMENTS
KW  - INSURANCE
KW  - TAXES
ER  -