References
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- Tonnaer , F.P.C.L. and Henzen , A.J. Different variations of learning materials on Environmental Law . paper presented at the Conference ‘Informatica E Diritto’ . Italy.
- Valcke , M.M.A. and Martens , RX. 1997 . ‘Interactive learning and course development environment: Context: theoretical and empirical considerations’ . Distance Education , 18 ( 1 ) : 7 – 23 .
- Weges , H.G. , Bitter‐Rijpkema , M. and Ellermann , H. Hypertext within a distance education setting . paper presented within the symposium ’Meeting Individual Student's Needs and Capabilities in Higher Education’ . Earli, August 31 . Aix‐en‐Provence , , France ‐September 5