Survey methodology /
Groves, Robert M. [et al.]
Survey methodology / Robert M. Groves ... [et al.]. - 2nd Ed. - NewJersy : Wiley, c2009. - xxi,461p. - Wiley Series in Survey Methodology .
9780470465462
Surveys--Methodology
001.433 / GroS2
Survey methodology / Robert M. Groves ... [et al.]. - 2nd Ed. - NewJersy : Wiley, c2009. - xxi,461p. - Wiley Series in Survey Methodology .
9780470465462
Surveys--Methodology
001.433 / GroS2