1. World population ageing 2020 highlights: Living arrangements of older persons,2020
2. Hong Kong population Projections 2015-2064,2015
3. Older assistant workers in intermediate care facilities, and their influence on the physical and mental burden of elderly care staff;Sakurai;BMC Health Serv Res,2021
4. Legislative Council Panel on manpower: Manpower for the elderly care service sector,2019
5. The causes and consequences of nursing shortages: A helicopter view of the research;O'Brien-Pallas;Aust Health Rev,2003