1. Bayer, E. (2011). Eben Bayer: Drinking trees [Video file]. Retrieved from https://www.youtube.com/watch?v=VTsH8qgIb80
2. Boons, F., Montalvo, C., Quist, J., & Wagner, M. (2013). Sustainable innovation, business models and economic performance: An overview. Journal of Cleaner Production, 45, 1–8.
3. Braungart, M., & McDonough, W. (2002). Cradle to cradle. Remaking the way we make things. North Point Press.
4. BusinessWire. (2018). The global market for plastic packaging (2017–2026) to grow at 5.4% CAGR-environmental concern is hampering growth. https://www.businesswire.com/news/home/20180828005731/en/Global-Market-Plastic-Packaging-2017-2026-Grow-5.4
5. Casselman, A. (2007, October 4). Strange but true: The largest organism on earth is a fungus. Scientific American. https://www.scientificamerican.com/article/strange-but-true-largest-organism-is-fungus/