1. World population ageing 2019 (ST/ESA/SER. A/444);Nations,2020
2. World population prospects at the UN: our numbers are not our problem?;Dorling,2021
3. Asean plus three statement on active ageing;ASEAN,2016
4. Ageing and health in the south-east Asia region;WHO,2008
5. Geriatric urology;Drach;J Am Geriatr Soc,2003