Kahousei zatsuon oyobi jouhousei hizumi ga sonzai suru jidousha kankyouka de no robasuto na onsei ninshiki ni kansuru kenkyuu

Onsei no seisei , chikaku oyobi ninshiki ni kansuru kenkyuu

Tasuku ni isonshinai nihongobun onsei no ninshiki ni kansuru kenkyuu

Kojinsa o kouryo shita renzoku onsei ninshiki ni kansuru kenkyuu

Shizen hatsuwa no tame no onsei ninshiki shisutemu ni kansuru kenkyuu

Hikari shoumei kankyou no ninshiki to kouchiku ni kansuru kenkyuu : hikari no ryou shitsu sonzai ni chakumoku shite

Dijitaru onsei shori ni okeru zatsuon to chien no eikyou no bunseki to sono kyakkan hyoukahou ni kansuru kenkyuu

Hisseki oyobi onsei ni arawareru shintaiteki tokusei kara no kategori no chuushutsu to kojin ninshou houshiki e no ouyou ni kansuru kenkyuu