Martin Callingham Independent Market Research Consultant and Birkbeck College, London reference-icon Created with Sketch. Reference BookQualitative Market ResearchPrinciple & PracticeGill Ereaut, Mike Imms, Martin CallinghamPublished: September 2002From $380.00
reference-icon Created with Sketch. Reference BookQualitative Market ResearchPrinciple & PracticeGill Ereaut, Mike Imms, Martin CallinghamPublished: September 2002From $380.00