Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Goldsworthy, Peter R. and Penning de Vries, F. W. T. and International Service for National Agricultural Research","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",,Kluwer Academic,1994,Systems approaches for sustainable agricultural development,,"0792332059,0792332067",,https://cir.nii.ac.jp/crid/1130282272975792000