Co-authors 
George Siemens
Technology Enhanced Knowledge Research Institute, Athabasca University
Verified email at athabascau.ca
Cited by 4223
Bonnie Stewart
University of Prince Edward Island
Verified email at upei.ca
Cited by 169
Carlos Alario-Hoyos
Universidad Carlos III de Madrid
Verified email at gsic.uva.es
Cited by 121
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