RRōdōhō no sōtenRōdōhō no sōtende Kunishige Sumida, Katsutoshi Kezuka, Mutsuko AsakuraMateriasLabor laws and legislationEdiciones (1)Rōdōhō no sōten (2004)Yūhikaku · japonésMás obras de Kunishige SumidaNNaibu kokuhatsu to Kōeki tsūhōsha hogohōNaibu kokuhatsu to Kōeki tsūhōsha hogohō