1.

雑誌
雑誌
1. Report on the survey of research and development
Statistical Bureau, Ministry of Internal Affairs and Communications, Japan
出版情報: Tokyo : Statistics Bureau, Ministry of Internal Affairs and Communications, 2010-
巻次（年次）: 2009 (2009)-
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2.

雑誌
雑誌
2. Statistical handbook of Japan
Bureau of Statistics, Office of the Prime Minister
出版情報: [Tokyo] : Bureau of Statistics, Office of the Prime Minister
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