Contributions

  • DeYoung, Henry G., joint author. - Contributor
  • Lang, David joint author. - Contributor
  • Institute for the Study of Mental Retardation and Related Disabilities. - Contributor
  • University Council for Educational Administration. - Contributor

Publication

, [n.p, No place, unknown, or undetermined

Language

English

Word Count

9,250 words, Guess

Page Count

37 pages

Identifiers

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