TY  - BOOK
AU  - Das ,B.C.
AU  - Mukherjee ,B.N.
TI  - Higher Trigonometry
SN  - 8185624232
U1  - 516.24 23
PY  - 1933/// [repriented 1993]
CY  - Calcutta
PB  - U. N. Dhur & Sons Pvt. Ltd.
KW  - Trigonometry
ER  -