Tokyo (Japan). Kakaku Ryūtsūbu. Torihiki Shidōka

• Fukushi shikaku kankei no kyōiku sābisu ni kakawaru funsō anken hōkokusho
• Futekisei na denwa ni yoru yūin, kanʼyū ni kansuru jittai chōsa
• Futekisei na torihiki kōi no bōshi
• Futekisei na torihiki kōi no bōshi
• Futekisei torihiki ni kakawaru shōhisha shinʼyō (kurejitto) no jittai chōsa hōkokusho
• Heisei 2-nendo shōshigen shō-enerugī posutā yūshū sakuhinshū
• Kaiinken torihiki ni kansuru jittai chōsa hōkokusho
• Kōreisha torihiki ni okeru higai no jittai chōsa hōkokusho
• Kyōiku sangyō ni kansuru chōsa hōkokusho
• Maruchimedia tō o riyō shitatsūshin hanbai ni kansuru jittai chō hōkokusho