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 "Shyjan, D and Centre for Development Studies (Trivandrum, India)",Public investment and agricultural productivity : a state-wise analysis of foodgrains in India,,Centre for Development Studies,2007,Working paper,,,,https://cir.nii.ac.jp/crid/1130282273335427456