Nihon Kōgyō Kyōiku Kyōkai

• Daigaku tō ni okeru shakaijin gijutsusha saikyōiku ni taisuru sangyōkai no nīzu ni kansuru chōsa kenkyū
• Kōgakukei bunʼya ni okeru rifuresshu kyōiku no arikata ni kansuru chōsa kenkyū hōkokusho
• Rifuresshu kyōiku ni tsuite no daigaku tō to sangyōkai to no renkei, kyōryoku no arikata ni kansuru chōsa kenkyū hōkokusho