Kōreika shakai to yoka ni kansuru chōsa kenkyū
Subtitle: kokoro tanoshii kōreika shakai o kizuku tame ni
Series: Yoka Kaihatsu Sentā chōsa kenkyū hōkokusho -- 61
Publisher: Yoka Kaihatsu Sentā
Published: 1987
Place of publication: [Tokyo]
Language: jpn
Number of pages: 166
Subjects: Recreation; Older people
Notes: Cover title.