Não informado. (1968). Journal of Educational Measurement. National Council on Measurement in Education.
Citação do estilo Chicago (17ª ed.)Não informado. Journal of Educational Measurement. Washington: National Council on Measurement in Education, 1968.
Citação MLA (8ª ed.)Não informado. Journal of Educational Measurement. National Council on Measurement in Education, 1968.
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