000 00506nam a22001697a 4500
999 _c112213
_d112213
005 20190422114127.0
008 190422b ||||| |||| 00| 0 eng d
020 _a9781138953567
040 _cPK-LaUMT
082 _a378.00285
_bGAR-E
100 _aGarrison, D. Randy
245 _aE-learning in the 21st century :
_ba community of inquiry framework for research and practice /
_cby D. Randy Garrison
250 _a3rd ed.
260 _aNew York :
_bRoutledge,
_c2017
300 _a202 p.
942 _cBK