OER Knowledge CloudJournal ArticleThrough the open door: Open courses as research, learning, and engagementThrough the open door: Open courses as research, learning, and engagement20102010/07Cormier, DaveSiemens, GeorgeengEDUCAUSE Review45430-39http://net.educause.edu/ir/library/pdf/ERM1042.pdfhttp://net.educause.edu/ir/library/pdf/ERM1042.pdfERM1042[1].pdf