60-saidai Zenhansō Koyō Taisaku Kenkyūkai chūkan hōkokusho
Subtitle: 65-sai teido made no koyō enchō no suishin
Publisher: 60-saidai Zenhansō Koyō Taisaku Kenkyūkai
Published: 1984
Place of publication: [Japan]
Language: jpn
Number of pages: 59