Marketing classicsEnis, Ben M., Keith Kohn Cox, Michael P. Mokwa · First published 1988 · Latest edition 1995Open the Tome
A new measure of responsibility for marketingKeith Kohn Cox, Ben M. Enis, American Marketing Association · First published 1968Open the Tome
The relationship between shelf space and product sales in supermarketsKeith Kohn Cox · First published 1964Open the Tome