Rōdō jikan kaikaku
by Kōtarō Tsuru, Yoshio Higuchi, Yūichirō Mizumachi
Hours of laborPersonnel management
Writing a summary for young readers…
For young readers
Book data: Open Library
by Kōtarō Tsuru, Yoshio Higuchi, Yūichirō Mizumachi
Book data: Open Library