TY  - BOOK
ED  - Agnes Cenen E. Sarmiento
TI  - Plane and spherical trigonometry
SN  - 9789710388776
U1  - Fil. 516.24 P712 2009 
PY  - 2009///
CY  - Mandaluyong City : 
PB  - Books Atbp. Pub. Corp., 
KW  - 1. Trigonometry
N1  - Includes bibliographical references

ER  -