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Cover for Bernhard Ertl · Technologies and Practices for Constructing Knowledge in Online Environments: Advancements in Learning (Premier Reference Source) (Hardcover Book) [First edition] (2010)

Technologies and Practices for C... (2010)

Cover for Bernhard Ertl · E-collaborative Knowledge Construction: Learning from Computer-supported and Virtual Environments (Premier Reference Source) (Hardcover Book) (2010)

E-collaborative Knowledge Constr... (2010)