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https://stats.oecd.org/
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3. Informal Care in Europe: Exploring Formalisation, Availability and Quality;Zigante,2018
4. JIPAT Research Report No. 204: Combining Work and Care under the Re-Familization of Elderly Care in Japan,2020
5. Executive Summary: Peer Review on ‘Work-Life Balance: Promoting Gender Equality in Informal Long-Term Care Provision,2020