TY  - BOOK
AU  - Zill,Dennis G.; Dewar,Jacqueline M.
TI  - Essentials of precalculus with calculus previews. 6th ed
SN  - 9789813130135
PY  - 2016///
PB  - Jones and Barlett Pub.
KW  - Precalculus
KW  - Textbooks
ER  -