E-learning in the 21st century : a community of inquiry framework for research and practice / D. Randy Garrison.
Material type:![Text](/opac-tmpl/lib/famfamfam/BK.png)
- 9781138953550 (hardback)
- 9781138953567 (pbk.)
- 378/.00285 23 c008698
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Includes bibliographical references and index.
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