How to increase the salesman's productivity / proposal for a motivational research study.

Croton-on-Hudson, N.Y. : Institute for Motivational Research, Inc., 1968.

Part of : Ernest Dichter papers.

Bristol Laboratories.

Pharmaceutical industry -- Employees -- Training.

Sales personnel -- United States -- Atittudes.

Selling -- Psychological aspects.

Physicians -- United States -- Atittudes.

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