1. “Agroecology: The Scientific Basis of Alternative Agriculture”;Altieri,1983
2. “Lessons learned in Community-Based Environmental Management”;Borrini,1990
3. The changing world food prospect: The nineties and beyond, Worldwatch Report 85;Brown,1988
4. Fertilizer engine losing steam.;Brown;World Watch,1991
5. Who will feed China?;Brown;World Watch,1994