1. Advertising as percent of sales, by industry Collection: Agricultural Communications Documentation Center (ACDC) Format: Journal article Publication Date: 1981-10-19 Published: USA Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 122 Document Number: C15706 Journal Title: Advertising Age Journal Title Details: 52: 42 Notes: 1 p.
2. Estimates of '80 advertising to sales and to gross profit margin by industry Collection: Agricultural Communications Documentation Center (ACDC) Format: Journal article Publication Date: 1981-08-17 Published: USA Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 122 Document Number: C15707 Journal Title: Advertising Age Journal Title Details: 52: 38 Notes: 1 p.