TY  - BOOK
AU  - Castillo,Leticia L.
TI  - College algebra and trigonometry
SN  - 9710867989
PY  - 2008///
CY  - Mandaluyong City
PB  - National Book Store
KW  - Algebra
KW  - Trigonometry
N1  - Includes bibliographical references and index
ER  -