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 "Balakrishna, R. (Ramachandra)",Measurement of productivity in Indian industry,,The University of Madras,1953,Madras University economics series,,,,https://cir.nii.ac.jp/crid/1130000796435239296