TY  - BOOK
AU  - Feliciano, Florentino F.
AU  - Uy, Fausto B.
TI  - Modern trigonometry
AV  - F QA 531 F4 1974 
PY  - 1974///
CY  - Manila
PB  - Webster School and Office Supplies
KW  - Trigonometry
ER  -