Farming systems research into the 21st century : the new dynamic

Agroecology: the scientific basis of alternative agriculture

5 years of agricultural research and development in Indonesia 1987-1991 : the accomplishment and the contributions

Agricultural systems research for developing countries : proceedings of an international workshop held at Hawkesbury Agricultural College Richmond, N.S.W., Australia 12-15 May 1985 / editor J.V. Remenyi

Doing visual ethnography : images, media and representation in research