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  1. Jonassen, D.H.; Grabinger, R.S.: Problems and issues in designing hypertext/hypermedia for learning (1990) 10.32 
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  2. Jonassen, D.H.: Conceptual frontiers in hypermedia environments for learning (1993) 10.32 
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  3. Jonassen, D.H.: Concept mapping as cognitive learning and assessment tools (1997) 10.32 
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