Rūta tō kokusai kyōsōryoku chōsa kenkyū hōkokusho
Publisher: Jōhō Tsūshin Nettowāku Sangyō Kyōkai
Published: 2006
Place of publication: Tōkyō
Language: jpn
Notes: "Keizai Sangyōshō itaku chōsa Heisei 17-nendo jōhō kaden katsuyō kiban seibi jigyō"--Colophon.