Rahayu, Heffi Christya, . Purwantoro, Martino Wibowo, Julia Safitri, and . Suparjito. “Determinants of Welfare for the Elderly Population in Indonesia”. KnE Medicine 2, no. 3 (September 15, 2022): 782–793. Accessed December 9, 2022. https://knepublishing.com/index.php/KnE-Medicine/article/view/11934.