1. An introductory note on the environmental economics of the circular economy;Sustainability Science,2007
2. Double loop learning organizations;Harvard Business Review,1977
3. Brundtland, G.H. (1987), “Report of the world commission on environment and development: our common future”, available at: http://www.un-documents.net/our-common-future.pdf (accessed 12 September 2020).
4. FAOSTAT (2020), “Food and agriculture organization of the united nations (FAO)”, available at: http://www.fao.org/faostat/en/#data/LC (accessed 4 January 2020).