Thesis (Ph. D.)--University of Pennsylvania, 1933. / "Reprint from the Journal of applied psychology, vol. XVII, no. 4." Bibliography: p. 405-406.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/562088876 |
| Date | January 1933 |
| Creators | Elderton, Marion, |
| Publisher | Philadelphia, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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