TY  - BOOK
AU  - Reyes,Edgardo A.
TI  - Plane trigonometry: simplified and integrated 
SN  - 971-08-0783-8
PY  - 1979///, c1963
CY  - Manila
PB  - National Bookstore
KW  - Trigonometry, Plane
KW  - Logarithms
N1  - Includes index
ER  -