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 "Feder, Gershon and Slade, Roger and Sundaram, Anant K. (Anant Kumar)",The training and visit extension system : an analysis of operations and effects,,World Bank,1985,World Bank staff working papers,,0821304976,,https://cir.nii.ac.jp/crid/1130000793764813056