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References
- ↑ Motovalli, Jim (March 9, 2011). "A New Approach to Recycling". E–The Environmental Magazine.
- ↑ Rabin, Emily (February 13, 2005). "Product Stewardship -- Who Takes out the Trash?". GreenBiz.
- ↑ Zeller, Tom (Jan 2008). "Recycling: The big picture" (PDF). National Geographic. 213 (1): 82–87.
- ↑ Strom, Stephanie (March 23, 2012). "Companies Pick Up Used Packaging, and Recycling's Cost". New York Times.
- ↑ Burns, Melinda (January 21, 2010). "The Smoldering Trash Revolt". Miller-McCune Magazine.
- ↑ "UPSTREAM - Sparking innovative solutions to plastic pollution".
- ↑ Grist Staff (March 20, 2000). "Bill Sheehan, GrassRoots Recycling Network". Grist.
- ↑ GrassRoots Recycling Network Archives http://archive.grrn.org/scrapbooks/index.html
- ↑ Response by Specialist and Generalist Natural Enemies to Agroecosystem Diversification: A Selective Review |url=https://academic.oup.com/ee/article-abstract/15/3/456/2480356
- ↑ Hawkins, Bradford A.; Sheehan, William (1994), Parasitoid Community Ecology, Oxford University Press, Oxford University Press, ISBN 978-0-19-854058-8