- twitter.com dougsanford/status/1272235319: Ten Ideas for Getting Started with 21st Century Teaching and Learning @ http://theinnovativeeducator.blogspot.com.
- olga-neklesa.livejournal.com 31366.htmlВводный материал: http://theinnovativeeducator.blogspot.com/2012/05/dropping-out-was-great-idea.html А если продолжать, то как?