on all orders of $59 or more
Survey Methodology
by Groves, Robert M.; Fowler, Floyd J.; Couper, Mick P.; et al.
ISBN: 9780470465462
Copyright:
Paperback
Advances in Telephone Survey Methodology
by Lepkowski, James M.; Tucker, N. Clyde; Brick, J. Michael; et al.
ISBN: 9780471745310