1. Sweeney, L.B., Meadows, D. (eds.): The Systems Thinking Playbook: Exercises to Stretch and Build Learning and Systems Thinking Capabilities. Chelsea Green Publishing, White River Junction (2010)
2. Otto DIY (2019).
www.ottodiy.com
3. (DT)2 website (2018).
dtdt.fablab.sk
4. (DT)2 Otto Github repo. (2019).
github.com/Robotics-DAI-FMFI-UK/dtdt-otto/
5. Ioannis Tzanellis: Arduino Bluetooth Controller.
play.google.com/store/apps/details?id=eu.jahnestacado.arduinorc