on all orders of $59 or more
Web Survey Methodology
by Callegaro, Mario; Manfreda, Katja Lozar; Vehovar, Vasja
ISBN: 9780857028617
Copyright:
Paperback
Online Panel Research A Data Quality ...
by Callegaro, Mario; Baker, Reginald P.; Bethlehem, Jelke; et al.
ISBN: 9781119941774
ISBN: 9780857028600
Hardcover
Online Panel Research
by Callegaro, Mario; Baker, Reg; Bethlehem, Jelke; et al.
ISBN: 9781119646624