Yūkichi Arakawa

Saishin shōgyō jiten

Saishin shōgyō jiten

2002

Hanbai sokushin to shōhisha kō

Hanbai sokushin to shōhisha kōdō

1989

Ryūtsū kenkyū no shin tenkai

Ryūtsū kenkyū no shin tenkai

1974

Shōgyō kōzō to ryūtsū gōrika

Shōgyō kōzō to ryūtsū gōrika

1969