Groves, R., Cialdini, R. B., & Couper, M. P. (1992). Understanding the decision to participate in a survey. Public Opinion Quarterly, 56, 475-495.
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Groves, R., Cialdini, R. B., Couper, M. P. (1992). Understanding the decision to participate in a survey. Public Opinion Quarterly, 56 pp. 475-495.
(xsd:string)