@book{ BA13661053, author = "United Nations. Dept. of International Economic and Social Affairs and Saunders, Christopher Thomas", title = "Concepts and methods for integrating social and economic statistics on health, education and housing : a technical report", publisher = "United Nations", year = "1986", series = "Studies in methods", number = "ser. F, no. 40", URL = "https://ci.nii.ac.jp/ncid/BA13661053" }