31. Percentage of sales invested in advertising in 1969-70 Collection: Agricultural Communications Documentation Center (ACDC) Format: Journal article Publication Date: 1973-07-16 Published: USA Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 122 Document Number: C15712 Journal Title: Advertising Age Journal Title Details: 44: 34 Notes: 1 p.
32. Percentage of sales invested in advertising in 1971-72 Collection: Agricultural Communications Documentation Center (ACDC) Format: Journal article Publication Date: 1974-09-30 Published: USA Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 122 Document Number: C15711 Journal Title: Advertising Age Journal Title Details: 45: 76 Notes: 1 p.
