Wickramarachchi, Bimba, Sidiah Siop, and Bilesha Perera. “Physical Activity of Urban- Dwelling Older People in Sri Lanka”. Indian Journal of Community Health 32, no. 4 (December 31, 2020): 717–721. Accessed April 18, 2024. https://iapsmupuk.org/journal/index.php/IJCH/article/view/1874.