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Viewpoints on the changing consumer goods distribution scene : summary of a Marketing Science Institute conference
Bucklin, Randolph E., (1987)
The Art of Scale Development - The "Perfect" Scale - The number of points on a scale is less important than its application.
Schmalensee, Diane H., (2003)
FINDING THE 'PERFECT' SCALE
Schmalensee, Diane H., (1994)