21-seiki no rojin mondai
By: Idei Kōichi, Sakata Yoshinori hencho.
Contributors: Idei, Kōichi, 1925-; Sakata, Yoshinori.
Edition: Dai 1-han
Publisher: Gakubunsha
Published: 1988
Place of publication: Tōkyō
Language: jpn
Number of pages: 224
Subjects: Aged -- Social conditions.; Twenty-first century -- Forecasting.
Other titles: Nijūisseiki no rojin mondai.
Notes: Includes bibliographical references.