TY  - BOOK
AU  - Santos,Esther Z.Doval
TI  - Basic college mathematics: algebra and trigonometry 
U1  - Fil. 512.1 S237 1978 
PY  - 1978///
CY  - Manila
PB  - UST Printing Office
KW  - Algebra and trigonometry
N1  - Includes appendixes
ER  -