Halder, R., B. Paul, A. Banerjee, R. Das, and T. Sengupta. “Functional Status of the Elderly and their Rehabilitation Needs: A Mixed-Method Study in a Slum of Kolkata, West Bengal”. Siriraj Medical Journal, vol. 75, no. 1, Jan. 2023, pp. 20-28, doi:10.33192/smj.v75i1.260526.