এই পাঠটি: Heisei 12-nendo ryūtsū kokusaika sokushin taisaku gaishikei ryūtsūgyō oyobi shingyōtai kourigyō ni kansuru shōkankō kaizen chōsa kenkyū hōkokusho : Heisei 12-nendo Keizai Sangyoshō itaku jigyō.