Kōichi Usami

• 21-seiki Raten Amerika no saha seiken, kyozō to jitsuzō
• Non-standard employment under globalization
• Non-standard employment under globalization
• Non-standard employment under globalization
• Raten Amerika fukushi kokkaron josetsu
• Shinkō fukushi kokkaron
• Shinkō kōgyōkoku ni okeru koyō to shakai hoshō
• Shinkō kōgyōkoku ni okeru koyō to shakai seisaku
• Shinkō shokoku ni okeru kōreisha seikatsu hoshō seido