老老後保障システム論老後保障システム論de Jōji OguraMateriasOlder peopleServices forPublic welfareEdiciones (1)老後保障システム論 (1986)Sekai Shisōsha · japonésMás obras de Jōji OguraFFukushi no shinsōFukushi no shinsō1996SShakai jōkyō to shite no fukushiShakai jōkyō to shite no fukushi1981RRyūiki-shakai fukushi to seikatsu sekkeiRyūiki-shakai fukushi to seikatsu sekkei