Roger Gates

• Marketing research
• Contemporary marketing research
• Electrical Conduit Bending Quick-Card
• Investigación de mercados - 8. ed.
• Marketing Research Essentials
• Investigación de mercados
• Marketing Research
• Marketing Research
• Marketing Research Essentials
• Marketing research essentials
• Marketing Research Essentials with SPSS
• Marketing Research, Sixth Edition with SPSS 13.0