TY  - BOOK
AU  - Dugopolski,Mark
TI  - College algebra and trigonometry: a unit circle approach 
SN  - 9780321644770 (student ed. : hbk.)
U1  - 512.13 
PY  - 2011///
CY  - Boston, MA
PB  - Addison-Wesley
KW  - Algebra
KW  - Textbooks
KW  - Trigonometry
N1  - Includes bibliographical references and indexes
ER  -