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 "Zeitsch, John",Estimating the benefits from certain structural reforms in the Papua New Guinean economy,,"Research School of Pacific Studies, ANU",1993,Economics Division working papers,,0731516893,,https://cir.nii.ac.jp/crid/1130000796323589248