TY  - BOOK
AU  - PETFIELD, Ronald R
AU  - 
TI  - Mastering commerce
T2  - Macmillan master series
SN  - 0333304454
U1  - 380.1 
PY  - 1982///(1983)
CY  - NEW YORK
PB  - MACMILLAN PUBLICATION
KW  - COMMERCE (TRADE)
ER  -