TY  - BOOK
AU  - Coburn, John W
AU  - Herdlick, J D
TI  - Precalculus: Graphs and models
SN  - 9789339204396
U1  - 515.1 
PY  - 2012///
CY  - New Delhi
PB  - McGraw Hill Education
KW  - Mathematics
ER  -