AAAS. My school as a system. http://sciencenetlinks.com/lessons/my-school-as-a-system/
AAAS. The bicycle as a system. http://sciencenetlinks.com/lessons/the-bicycle-as-a-system/
AAAS. The cell as a system. http://sciencenetlinks.com/lessons/cells-2-the-cell-as-a-system/
Agency by Design. (2015). Project Zero. Parts, People and Interactions. http://www.pz.harvard.edu/resources/parts-people-and-interactions
Institute of Play. Systems Thinking: Design Pack. https://bit.ly/2Tyk4dv
LOOPY: a tool for thinking in systems. https://ncase.me/loopy/
MIT STEP Lab. Biograph: Exploring biology through a complex systems lens. https://education.mit.edu/project/biograph/
Resnick, M., Maloney, J., Monroy-Hernández, A., Rusk, N., Eastmond, E., Brennan, K., Millner, A., Rosenbaum, E., Silver, J., Silverman, B., & Kafai, Y. (2009). Scratch: programming for all. Communications of the ACM, 52(11), 60-67. Chicago. https://scratch.mit.edu/
Waters Foundation. (2019). Waters Center for Systems Thinking. https://www.watersfoundation.org