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Stemler, L.K.: Educational characteristics of multimedia : a literature review (1997) 0.00

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Date: 1. 8.1996 10:11:28

Williams, P.; Nicholas, D.; Gunter, B.: E-learning: what the literature tells us about distance education : an overview (2005) 0.00

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Date: 28. 1.2006 18:27:58

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