著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL Food and Agriculture Organization of the United Nations,Guidelines for the conduct of a training course in farming systems development,,Food and Agriculture Organization of the United Nations,1990,Farm systems management series,,9251032491,,https://cir.nii.ac.jp/crid/1130282271711250048