TY  - BOOK
AU  - Butt, Richard V
ED  - American Management Association (New York)
TI  - Sale effort and marketing strategy: a systems approach
SN  - 8144-2128-8
U1  - 658.8 21st
PY  - 1969///
CY  - New York
PB  - AMA
KW  - Sales promotion; Marketing; Marketing-management; Marketing-Mathematical models; Sales management
ER  -