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Davis, C.K.: So what about tele-education anyway (1996)
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Benchmarks in distance education : the LIS experience (2003)
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Linn, M.C.: Cognition and distance learning (1996)
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Silva, M.: Creating electronic environments for learning (1998)
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Unwin, L.; Stephens, K.; Bolton, N.: ¬The role of the library in distance learning (1998)
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