Hahn, J. L. (1931). A critical Evaluation of a supervisory program in Kindergarten-primary grades. Teachers College, Columbia Univ.
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Citación estilo Chicago
Hahn, Julia Letheld. A Critical Evaluation of a Supervisory Program in Kindergarten-primary Grades. New York: Teachers College, Columbia Univ, 1931.
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Cita MLA
Hahn, Julia Letheld. A Critical Evaluation of a Supervisory Program in Kindergarten-primary Grades. Teachers College, Columbia Univ, 1931.
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