TY  - GEN
AU  - Troutman , Andria  P.
AU  - Bertoni , Philip E. 
AU  - Smith , Lula P.
AU  - Bezdek ,James , J
AU  - Chin , Carolune
AU  - Wright , Alma E
TI  - Laidlaw mathematics: purple book
SN  - 084451327 X
U1  - 510 
PY  - 1978///
CY  - Illinois
PB  - Laidlaw Brothers
KW  - NUMBER IDEAS
KW  - GEOMETRY
KW  - PROBLEM SOLVING
KW  - MATHEMATICS
KW  - RATIO PROPORTION AND PERCENT
ER  -