TY  - BOOK
AU  - DAS, B.C.,
AU  - MUKHERJEE,B.N.,
TI  - HIGHER TRIGONOMETRY
U1  - 510 DAS 
PY  - 1933///
CY  - KOLKATA
PB  - U.N.DHAR & SONS
KW  - Mathematics
N1  - Do9nated by Paran Bhuyan, Melachakar, Sibsagar on 11.03.2019
ER  -