Heisei 18-nendo kakushu idō o kōryoshita hōshanō inbentori hyōka shisutemu kaihatsu seika hōkokusho
Publisher: Genshiryoku Kenkyū Bakkuendo Suishin Sentā
Published: 2007
Place of publication: [Tokyo]
Language: jpn
Number of pages: 281
Other titles: kakushu idō o kōryoshita hōshanō inbentori hyōka shisutemu kaihatsu seika hōkokusho