West, J. Y. (1937). A technique for appraising certain observable behavior of children in science in Elementary Schools. Columbia University.
Cita Chicago Style (17a ed.)West, Joe Young. A Technique for Appraising Certain Observable Behavior of Children in Science in Elementary Schools. New York: Columbia University, 1937.
Cita MLA (9a ed.)West, Joe Young. A Technique for Appraising Certain Observable Behavior of Children in Science in Elementary Schools. Columbia University, 1937.
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