TY  - BOOK
AU  - Gabriel, Presentacion B.
TI  - Trigonometry
SN  - 9715220266
AV  - QA 152.2  .G114 1989
PY  - 1989///
CY  - Makati City
PB  - Salesiana Publishers
KW  - Trigonometry
KW  - sears
N1  - Includes bibliography
ER  -