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
Joint ECA/FAO Agriculture Division and United Nations. Economic Commission for Africa,A comparative analysis of agricultural extension systems of eight East African countries : with suggested guidelines for improvement,,ECA-FAO Joint Agriculture Division,1971,Document,,,,https://cir.nii.ac.jp/crid/1130000794130545152