Ajia(Tōbu) Aufsatzsammlung East Asia East Asia / Social conditions East Asians East Asians / United States Foreign workers, Brazilian Foreign workers, Brazilian / Japan / Hamamatsu-shi Industrial sociology Industrial sociology / East Asia Japan Japan / Hamamatsu-shi Korea (South) Shakai mondai Social conditions Social problems Social problems / East Asia Suicide Suicide / Japan Suicide / Korea (South) United States Women / Employment Women / Employment / Korea (South)