Zeller, D. (1941). The relative importance of factors in interest in reading materials for junior high school pupils. Columbia University.
Cita Chicago Style (17a ed.)Zeller, Dale. The Relative Importance of Factors in Interest in Reading Materials for Junior High School Pupils. New York: Columbia University, 1941.
Cita MLA (9a ed.)Zeller, Dale. The Relative Importance of Factors in Interest in Reading Materials for Junior High School Pupils. Columbia University, 1941.
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