TY  - BOOK
AU  - B. C. Das 
AU  -  B. N. Mukherjee
TI  - Higher Trigonometry
SN  - 81-85624-69-0
U1  - 514 
PY  - 2006///
CY  - Kolkata
PB  - U.N.Dhur & Sons Pvt Ltd.
KW  - MATHEMATICS
ER  -