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  1. 1
    by Burton, William Henry 1890-
    Published 1955
    Book

    Supervision, a social process
  2. 2
    by Barr, Arvil Sylvester 1892-
    Published 1953
    Book

    Educational research and appraisal
  3. 3
    by Good, Carter Victor 1897-
    Published 1941
    Book

    The methodology of educational research
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