https://groups.diigo.com/group/classroom20/content/free-online-pd-course-how-to-teach-online-for-the-classroom-teacher-18578348
FREE Online PD Course: How to Teach Online for the Classroom Teacher | Diigo Groups
A place for members of www.Classroom20.com to share links, Classroom 2.0 is social networking site devoted to those interested in the practical application of...
free online pdhow to teachfor the classroom