@book{ BA79955306, author = "Drud, Arne and Zenios, Stavros Andrea and Mulvey, J. M. (John M.) and International Bank for Reconstruction and Development. Development Research Dept.", title = "Balancing large social accounting matrices with nonlinear network programming", publisher = "International Bank for Reconstruction and Development, Development Research Dept.", year = "1986", series = "Discussion paper", number = "no. DRD167", URL = "https://ci.nii.ac.jp/ncid/BA79955306" }