Search results for: Hans G. K. Hummel
British Journal of Educational Technology > 52 > 1 > 125 - 141
British Journal of Educational Technology > 48 > 6 > 1368 - 1379
Instructional Science > 2017 > 45 > 3 > 359-376
British Journal of Educational Technology > 42 > 6 > 1029 - 1041