Thesis (Ed.D.)--Teachers College, Columbia University, 1969. / Typescript; issued also on microfilm. Includes tables. Sponsor: Walter H. MacGinitie. Dissertation Committee: Robert L. Allen. Includes bibliographical references (leaves 52-54).
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/252318348 |
| Date | January 1969 |
| Creators | Tretiak, Richard. |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
| Source | Access Digital Full Text version |
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