Tokyo (Japan). Ryūtsū Sangyō Shinkōka

• Daikibo kouri tenpo demise jittai chōsa hōkokusho
• Daikibo kouri tenpo meibo, yunyūhin senmon uriba meibo
• Kaigai gijutsu kōryū gaido
• Nyū Sausu Wēruzu-shū chōsa hōkoku