http://52opencourse.com/ 我爱公开课
http://courseminer.com/ 挖课
http://open.163.com/ 网易公开课
http://www.db-class.org/ Stanford Online's internal platform
http://www.sheetoo.com/ 师徒网
posted on 2013-03-05 14:55 argb 阅读(176) 评论(0) 编辑 收藏 举报