TY  - BOOK
AU  - Coburn, John W.
TI  - Precalculus
SN  - 978073137414
AV  - QA 154.2 .C62
PY  - 2007///
CY  - Boston 
PB  - McGraw-Hill Higher Education
KW  - Algebra - Textbooks
KW  - Trigonometry - Textbooks
ER  -