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 "Mari Bhat, P. N. and National Council of Applied Economic Research",Levels and differentials in maternal mortality in rural India : new evidence from sisterhood data,,National Council of Applied Economic Research,2002,Working paper series,,8185877912,,https://cir.nii.ac.jp/crid/1130000793884585216