TY  - BOOK
AU  - DAS, B.C.
AU  - MUKHERJEE, B.N.
TI  - Higher trigonometry
SN  - 81-85624-69-0
U1  - MATH 516.34 
PY  - 2006///
CY  - Kolkata
PB  - U.N. Dhur
KW  - TRIGONOMETRY
N1  - For pass course
ER  -