Practical sales forecasting/
Copulsky, William,
Practical sales forecasting/ William Copulsky - [New York]: American Management Association, [1970] - 109 p.; 21 cm.
0814421326
Sales forecasting.
330.123
Practical sales forecasting/ William Copulsky - [New York]: American Management Association, [1970] - 109 p.; 21 cm.
0814421326
Sales forecasting.
330.123