Reducing the cost of survey /
Sudman, Seymour.
Reducing the cost of survey / by Seymour Sudman. - Chicago : Aldine, c1967. - 246 p.
Includes bibliographical references and index.
Survey.
HN29 / .S93
Reducing the cost of survey / by Seymour Sudman. - Chicago : Aldine, c1967. - 246 p.
Includes bibliographical references and index.
Survey.
HN29 / .S93