West, J. Y. (1937). The technique for appraising certain observable behavior of children in science in elementary schools. Teachers College, Columbia University.
Citace podle Chicago (17th ed.)West, Joe Young. The Technique for Appraising Certain Observable Behavior of Children in Science in Elementary Schools. New York, New York: Teachers College, Columbia University, 1937.
Citace podle MLA (9th ed.)West, Joe Young. The Technique for Appraising Certain Observable Behavior of Children in Science in Elementary Schools. Teachers College, Columbia University, 1937.
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