Japan. Keizai Sangyōsho

• Gijutsu kakushin o mezasu kagaku gijutsu seisaku
• Heisei 18-nendo sangyō gijutsu chōsa " kenkyū kaihatsu sokushin zeisei no kigyō nīzu oyobi riyō jōkyō ni kakaru chōsa" hōkokusho