Tài liệu tham khảo WikiPedia: CiNii http://ci.nii.ac.jp http://ci.nii.ac.jp/ http://ci.nii.ac.jp/author/DA00432173 http://ci.nii.ac.jp/en http://ci.nii.ac.jp/info/en/cinii_db.html http://ci.nii.ac.jp/info/en/cinii_journal_list.htm... http://ci.nii.ac.jp/info/en/cinii_outline.html http://ci.nii.ac.jp/naid/110009544496 http://ci.nii.ac.jp/ncid/BA04004867/ http://ci.nii.ac.jp/ncid/BA36680090/
