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2
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Telephone survey methodology / edited by Robert M. Groves, Paul P. Biemer, Lars E. Lyberg, James T. Massey, William L. Nicholls II, Joseph Waksberg.
- 001.433 T268
- John Wiley & Sons,
- New York :
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International handbook of survey methodology / Edith D. de Leeuw, Joop J. Hox, Don A. Dillman.
- 001.433 I61217
- Lawrence Erlbaum Associates,
- New York ; London :