@book{ BA58902491, author = "Hill, Paul Thomas and Campbell, David E. and Koret Task Force on K-12 Education", title = "Choice with equity", publisher = "Hoover Institution Press, Stanford University", year = "2002", series = "Hoover Institution publication", number = "no. 513", URL = "https://ci.nii.ac.jp/ncid/BA58902491" }