West, J. Y. (1937). The technique for appraising certain observable behavior of children in science in elementary schools. Teachers College, Columbia University.
Chicago Style aipamenaWest, 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.
MLA aipamenaWest, 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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