Professional sales management /
Downing, George D.
Professional sales management / George D. Downing. - Columbus, Ohio : Grid, c1983. - xiv, 575 p. ill 26 cm. - Grid series in marketing .
088244235X
Sales management.
658.8 / 1
Professional sales management / George D. Downing. - Columbus, Ohio : Grid, c1983. - xiv, 575 p. ill 26 cm. - Grid series in marketing .
088244235X
Sales management.
658.8 / 1