Nihon Hōmon Kango Shinkō Zaidan

• Kaigo yobō jigyō no enkatsu jisshi chiiki hōkatsu shien sentā shien ni kansuru chōsa kenkyū jigyō hōkokusho
• Ryōyō tsūsho kaigo no takinōka ni kansuru chōsa kenkyū jigyō hōkokusho