1
by Cox, Eli Peace.
Published 1979
Subjects: '; ...Marketing-onderzoek...
Book
2
by West, Penny, 1951-
Published 2000
Subjects: '; ...Vergelijkend onderzoek. gtt...
Book Electronic
3
by Bannon, Joseph J., 1931-
Published 1981
Subjects: '; ...onderzoek...
Book