feb
24
2019
Zet je lean-bril opverspilling zien en verwijderenBrian Legein
Bij Bol.com
When the rate of change outside exceeds the rate of change inside, the end is in sight.
Jack Welch
How Learning Happens Seminal Works in Educational Psychology and What They Mean in PracticePaul A. Kirschner Bij Bol.com