TY  - BOOK
T1  - The new plane trigonometry
A1  - Puzon, Aurora B.
LA  - English
PP  - Manila
PB  - Saint Mary's
YR  - 1980
UL  - https://tuklas.up.edu.ph/Record/UP-8027390931312556578
OP  - 326
CN  - QA 431 P8
KW  - Trigonometry, Plane.
ER  -