The variability of children of different ages and its relation to school classification and grouping, by Ethel L. Cornell ...

By: Material type: TextTextSeries: University of the state of New York bulletin ; no. 1101 | Educational research studies ; 1937, no. 1Publication details: Albany, The University of the state of New York, 1937.Description: 98 p. diagrs., tables. 23 cmSubject(s): LOC classification:
  • LB3061 .C648
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