TY  - BOOK
AU  - Schaffir, Kurt H.
AU  - George, Trentin H.
TI  - Marketing information systems
U1  - 658.8 
PY  - 1973///
CY  - USA
PB  - American management association
KW  - Marketing
KW  - Distribution- economics
KW  - Merchandising
KW  - Direct selling
KW  - Farm- produce
KW  - Information systems
N1  - X:51 L31
ER  -