共 29 条
[1]
[Anonymous], 2004, Prospect
[2]
[Anonymous], CASE STUDENT CTR INS
[3]
[Anonymous], 2005, Revista d'Universitats, Recerca i Societat de la Informacio
[4]
Belz JA, 2003, LANG LEARN TECHNOL, V7, P68
[5]
Brindley JE, 2009, INT REV RES OPEN DIS, V10
[6]
Collis B., 2001, FLEXIBLE LEARNING DI
[7]
Doughty CJ, 2003, LANG LEARN TECHNOL, V7, P50
[8]
Engstrom ME, 2005, TECHTRENDS, V49, P12, DOI 10.1007/BF02763725
[9]
Garrison D.R., 2006, Journal for Asynchronous Learning Network, V10, DOI DOI 10.24059/OLJ.V10I1.1768
[10]
Garrison D.R., 2003, E-learning in the 21st century