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2. The Japan Institute for Labour Policy and Training.100 nenjidai no kigyoujin to syakaikoukenkatudou ni kansuru cyousa (Research about attitude and behaviors about volunteering among working generations in the era of jinsei100nen) 2023. Available from:https://www.jil.go.jp/press/documents/20200331a.pdf. (in Japanese).
3. Koronaka niokeru koureisya no seikatusaihen to syakaikankei (reconstruction of daily lives and social relations among older adults, under the COVID‐19);Watanabe D;Jpn J Gerontol,2021