TY  - BOOK
AU  - Das, B. C.
AU  - Mukherjee,B.N.
TI  - Higher trigonometry
SN  - 8185624232
U1  - 516.24 22
PY  - 1998///
CY  - Calcutta
PB  - U.N. Dhur & Sons Privated
KW  - Trigonometry
ER  -