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Brusilovsky, P.; Eklund, J.; Schwarz, E.: Web-based education for all : a tool for development adaptive courseware (1998)
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Robinson, D.A.; Lester, C.R.; Hamilton, N.M.: Delivering computer assisted learning across the WWW (1998)
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Goeller, K.E.: Web-based collaborative learning : a perspective on the future (1998)
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Shave, C.: Developing on-line courses : teacher support needs (1998)
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