The results has been filter on Authors containing Ruth Weichsel. ANA has found 1 results for you, in
Currently showing results 1 to 1.
Didn’t find what you were looking for? Try the Advanced Search!
Operative market surveying is an important branch of market research; it has for quite some time been so neglected that several of the methods currently applied are not sufficiently developed and, indeed, hardly proven. For this reason the standard...