O
Osamu Umezaki
1970
7 works on record
Works
Gekidōki no rōshi kankei
Gekidōki no rōshi kankei
Shigoto manga!
Shigoto manga!
"Shigoto eiga" ni manabu kyaria dezain
"Shigoto eiga" ni manabu kyaria dezain
Nihon no kyaria keisei to rōshi kankei
Nihon no kyaria keisei to rōshi kankei
Daigakusei no naitei kakutoku
Daigakusei no naitei kakutoku
教育効果の実証
教育効果の実証
人事の経済分析
人事の経済分析