[Heinrich Düker and the science of child-rearing].
Kötter
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D002648:Child; D002657:Child Development; D005860:Germany, West; D049673:History, 20th Century; D006801:Humans; D011582:Psychological Theory; D011588:Psychology, Educational / Q000266:history; D011589:Psychology, Experimental / Q000266:history
Heinrich Düker und die Erziehungswissenschaft.