Takagi, Fumio

Soseki Kanshi kenkyu shiryoshu

Toshi saikaihatsu ni okeru kyōdōka mondai to shintaku oyobi kūkan kaihatsuken ni kansuru kenkyū

Shintaku ronsō

Mori to ningen no kyosei

Ringyō jiritsu no tame no zeisei no arikata ni kansuru kenkyū

Shintaku hōshiki ni yoru tochi no ryūdōka ni kansuru kiso kenkyū