TY  - BOOK
AU  - B. C. Das 
AU  -  B. N. Mukherjee
TI  - Higher Trigonometry: For B. A. & B. Sc. Examinations (Pass and Honours)
U1  - 514 
PY  - 1970///
CY  - Calcutta
PB  - U.N.Dhur & Sons Pvt Ltd.
KW  - MATHEMATICS
ER  -