TY  - BOOK
AU  - Rosenberg, R. Robert
AU  - Lewis, Harry
TI  - Business mathematics [6th ed.]
U1  - 511.8 
PY  - 1963///
CY  - New York
PB  - Gregg Division, Mcgraw-Hill
KW  - Business Mathematics
N1  - The Main Work Is Preceded By A Teacher'S Manual, With Special T. P
ER  -