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6471 documents found.
Published:
| Aitkin, D.
Published:
| Nielssen, E.
Published:
| Instituut voor Psychologisch Marktonderzoek o.l.v. M. Zeldenrust-Noordanus, D. Zeldenrust en P.H. van Westendorp
Published:
| Sömen, H.D.
Published:
| -
Published:
| Kates, Peat, Marwick and Co.
Published:
| Haller, J.A.
Published:
| Pince, B.W.
Published:
| Petty, C.S.
Published:
| Patrick, L.M.