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General sessions
1986
Persistent link: https://www.econbiz.de/10001407849
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Special sessions
1986
Persistent link: https://www.econbiz.de/10001407861
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General sessions
1983
Persistent link: https://www.econbiz.de/10003111406
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Special groups
1983
Persistent link: https://www.econbiz.de/10003111408
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Value for money in market and social research
1979
Persistent link: https://www.econbiz.de/10003263859