1. 7 Lessons Bindweed Is Trying to Teach Me;Alvardo,2016
2. Roots of water hyacinth may be harvested for gold;Anonymous;Weed Trees Turf,1976
3. Dandelion Recipe Book;Anonymous,1979
4. Quarterly Report if Selected Research Projects;Anonymous,1992
5. Agroecology: The Scientific Basis of Alternative Agriculture;Altieri,1985