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 "Pakistan Economic Analysis Network Project and Chaudhry, M. Aslam",Benefits to O&M expenditure in the canal system in Punjab,,Pakistan Economic Analysis Network Project,1989,Policy options briefing paper series,,,,https://cir.nii.ac.jp/crid/1130000797797563136