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Hartge, T.: Computer Based Trainig : Telefonieren lernen (1994)
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- Infodoc. 20(1994) H.4, S.28-31
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Hartge, T.: Weiterbildung : Multimedia mit gestärktem Selbstbewußtsein (1994)
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- Cogito. 10(1994) H.6, S.28-30
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Hartge, T.: Vernetzte Lernwelten : Versuche und Erfolge des TeleLearnings (1996)
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- Cogito. 12(1996) H.1, S.21-24
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Hartge, T.: Multimedia in der Praxis : Einsatzmöglichkeiten, Beispiele, Weiterbildung (1994)
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- Cogito. 10(1994) H.4, S.4-8