| cemagref.fr | Cemagref |
| berkeley.edu | Agroecology |
| calsawg.org | California Sustainable Agriculture Working Group |
| attra.org | ATTRA - National Sustainable Agriculture Information Service |
| allertontrust.org.uk | Allerton Research & Educational Trust |
| tamu.edu | Grazing Management - An Ecological Perspective |
| buttecounty.net | Biologically Integrated Farming Systems in Rice |
| sustainable-cholderton.co.uk | Cholderton Estate |
| leisa.info | Centre for Information on Low External Input and Sustainable Agriculture |
| nfis.com.au | National Food Industry Strategy |
Australia , Australian Capital Territory , Canberra