N. Hohashi, J. Pinyo, S. Araki, and M. Taniguchi, “Ethnographic Research on the Impact of COVID-19 on Families with Older Adults Residing on Remote Islands in Japan: Directed Content Analysis Based on the Concentric Sphere Family Environment Theory”, JRCNP, vol. 1, no. 1, pp. 1–19, Mar. 2023.