Figure 4. Buttons in a Multitouch Experiment Instruction

From

Multitouch Experiment Instruction for a Better Learning Outcome in Chemistry Education

Johann Seibert, Heike Luxenburger-Becker, Matthias Marquardt, Vanessa Lang, Franziska Perels, Christopher W. M. Kay, Johannes Huwer

World Journal of Chemical Education. 2020, 8(1), 1-8 doi:10.12691/wjce-8-1-1