TY  - BOOK
AU  - Tungcab, Rodolfo G...[etal.].
TI  - Trigonometry (worktext)
SN  - 9789717251516
U1  - Fil. 516.24 T734 
PY  - 2011///
CY  - Manila
PB  - Grandbooks Publishing Inc
KW  - Trigonometry
ER  -