TY  - BOOK
AU  - Narayanan, S
AU  - Pillay, Manicavachagom TK
TI  - Trigonometry
U1  - 516.24/Nar 
PY  - 1993///
CY  - Madras
PB  - S Viswanathan Pvt Ltd
KW  - Trigonometry
ER  -