TY  - BOOK
AU  - Crosby,John V
TI  - Cycles, trends, and turning points: practical marketing & sales forecasting techniques 
SN  - 0844232440
U1  - 658.802 
PY  - 2000///
CY  - Lincolnwood, IL
PB  - NTC Business Books
KW  - Investigación de mercados
KW  - Pronóstico de ventas
ER  -