Dilman, D. A., & Edwards, M. L. (2016). Designing a mixed-mode survey. In C. Wolf, D. Joye, T. W. Smith, & Y.-c. Fu (Eds.), The Sage handbook of survey methodology (pp. 255-268). Los Angeles, CA: Sage.
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Dilman, D. A., Edwards, M. L. (2016). Designing a mixed-mode survey. Los Angeles, CA: Sage. The Sage handbook of survey methodology, pp. 255-268.
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