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izlaidumi no Elena Barbera

Cover for Elena Barbera · Assessment and Evaluation of Time Factors in Online Teaching and Learning (Hardcover Book) (2013)

Assessment and Evaluation of Tim... (2013)

Cover for Elena Barbera · Professional Online Learning Processes: Nature and Change in Teaching and Learning (Paperback Book) (2010)

Professional Online Learning Pro... (2010)

Cover for Elena Barbera · Time in Online Education: Nature and Approaches (Paperback Book) (2010)

Time in Online Education: Nature... (2010)