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 United Nations University,"Research and development systems in rural settings : project meeting report, Addis Ababa, Ethiopia, April 1977",,United Nations University,1979,HSD programme document,,,,https://cir.nii.ac.jp/crid/1130000794679230720