Ruf, Mühling & Hubwieser 2014: Scratch vs. Karel

Ruf, A., Mühling, A. & Hubwieser, P. (2014). Scratch vs. Karel: Impact on Learning Outcomes and Motivation, Proceedings of the 9th Workshop in Primary and Secondary Computing Education. WiPSCE ’14: (S. 50–59). New York, NY, USA: ACM. Weblink