Kaku Busshitsu Kanri Sentā

• 30-nenshi
• Heisei 18-nendo ōgata saishori shisetsu hoshō sochi shiken kenkyū
• Heisei 18-nendo shin hoshō sochi seido kakuritsu chōsa
• Hoshō sochi ni kansuru jōhō shori gyōmu