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Marketing explained
Bull, David, (1997)
Les bases du marketing
Delerm, Sophie, (1998)
Le multimédia, marketing et internet
Hermel, Laurent, (1997)
Research design effects on the reliability of rating scales : a meta-analysis
Churchill, Gilbert A., (2009)
A preface to marketing management
Peter, Jerome Paul, (1991)
Marketing research : methodological foundations
Churchill, Gilbert A., (1976)