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Pfleger, C.: ¬Die Didaktik des Fernunterrichts in Formalerschließung unter besonderer Berücksichtigung von Lernprogrammen (2003)
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Pfleger, C.: ¬Das E-Learning-Projekt "Einführung in die Benutzung der Universitätsbibliothek Bodenkultur" (2006)
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Pfleger, C.: ¬Die Didaktik des Fernunterrichts in Formalerschließung (2003)
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