Opportunities, use, and transfer of systems research methods in agriculture to developing countries : proceedings of an international workshop on systems research methods in agriculture in developing countries, 22-24 November 1993, ISNAR, The Hague / ed. by Peter Goldsworthy and Frits Penning de Vries

Opportunities, use, and transfer of systems research methods in agriculture to developing countries : proceedings of an international workshop on systems research methods in agriculture in developing countries, 22-24 November 1993, ISNAR, The Hague / ed. by Peter Goldsworthy and Frits Penning de Vries