Kōreika shakai no kadai
Series: Chōsa hōkoku -- 73-2; Chōsa hōkoku (Otaru Kōtō Shōgyō Gakkō. Keizai Kenkyūjo) -- 73-2.
Publisher: Nihon Keizai Chōsa Kyōgikai
Published: 1973
Place of publication: Tōkyō
Language: jpn
Number of pages: 340
Subjects: Aged; Old age assistance