4 results for Rolf Porst
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$1.76off
Praxis Der Umfrageforschung
Paperback | German
Published 28 Jun 2000Save $1.76
RRP $44.53- $42.77
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$8.77off
Interviewers' Deviations in Sur...
Hardback
Published 31 Jan 2013Save $8.77
RRP $72.82- $64.05
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Fragebogen
Paperback | English,German
Published 05 May 2011