Jūtaku Sangyō Jōhō Sābisu

• Heisei 11-nendo chūshō oroshiurigyō shinkō, butsuryū kōritsuka taisaku chōsa kenkyū hōkokusho
• Interia sangyō shinjidai
• Jūbunka no hen'yō--senzen to sengo