Jōhō Shori Sōgo Unʼyō Gijutsu Kyōkai

• Heisei 12-nendo ōpun nettowāku-ka suishin no tame no chōsa kenkyū hōkokusho
• Heisei 16-nendo sendōteki bunʼya senryakuteki jōhōka suishin jigyō seikatsu jōhō kaden ni okeru shinkasuru intafēsu no jisshō hyōka
• Jōhō nettowāku shisutemu ni kansuru hyōjunka kenshō gijutsu chōsa hōkokusho