The particularity of this book on market research is that it uses both qualitative and quantitative methods, from exploratory studies to expert systems, including data collection analysis. With the aim of facilitating decisions, it considers basic research problems, indicating which analyses and types of data are relevant for solving them.
EVRARD, Y., PRAS, B. and ROUX, E. (1993). Market - Etudes et recherches en marketing : fondement, méthodes. Nathan, 629 pages.