Showing 1 - 2 results of 2 for search 'Garrison, D. R.', 查询时间: 0.01s Refine Results
  1. 1
    Understanding distance education: a frame work for the future
    由 Garrison, D R
    出版 1989
    Printed Book
  2. 2
    E-learning in the 21st century : a community of inquiry framework for research and practice /
    由 Garrison, D. R.
    出版 2017
    Printed Book
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