TY  - BOOK
AU  - Narayanan S
AU  - Manicavachagom, T.K.
TI  - Trigonometry
SN  - 9788187156161
U1  - 516.24 
PY  - 2011///
CY  - Chennai
PB  - S.Viswanathan Private Limited
KW  - Mathematics- Trigonometry
N1  - Replacement copy
ER  -