YTTM.tv - Pick a year, click refresh, and TRAVEL THROUGH TIME. Library of Congress Home. Search and Metasearch Engines. Apps - iTunes U. The Virtual Learning Commons Created by David Loertscher and Carol Koechlin - learningcommons. The Virtual Learning Commons: Building a Participatory School learning Community An in-depth look at the role and function of a Virtual Learning Commons is covered in the following books by Loertscher and Koechlin.
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