TY  - BOOK
AU  - Chatterjee,Tapen
AU  - Dutta,Sunil Ranjan
TI  - Studies in commercial mathematics: (with 500 worked out problems) 
U1  - 511.8 
PY  - 1963///]
CY  - Calcutta
PB  - Indian Progressive Pub.
KW  - Business mathematics
ER  -