Knors, K. (1910). Experimentelle Untersuchungen über den Lernprozess.
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Tohutoru Kātū Chicago (17th ed.)
Knors, Klemens. Experimentelle Untersuchungen über Den Lernprozess. Leipzig, 1910.
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Tohutoro MLA (9th ed.)
Knors, Klemens. Experimentelle Untersuchungen über Den Lernprozess. 1910.
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Kua rahua te tārua ki te papatopenga
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