TY  - GEN
AU  - Sarmiento, Agnes Cenen E.
TI  - Plane and spherical trigonometry
SN  - 9789710388776
AV  - QA531 .P62 2009 
PY  - 2009///
CY  - Mandaluyong City
PB  - Books Atbp. Publishing
KW  - Trigonometry
N1  - Includes bibliographical references and index
ER  -