@techreport{oai:tsukuba.repo.nii.ac.jp:00022900,
 author = {Haneda, Shoko and Hashimoto, Akihiro and Tsuneyoshi, Takao},
 month = {May},
 title = {Evaluating administrative efficiency change in the post-merger period: A study on Ibaraki prefecture (1979-2004)},
 year = {2009}
}