“The Influence of Family Support, Social Capital, Self Efficacy, Education, Employment, Income, and Residential Status on the Quality of Life among the Elderly in Salatiga, Central Java”, J Epidemiol Public Healt, vol. 2, no. 1, pp. 58–69, Jun. 2017, Accessed: Oct. 13, 2025. [Online]. Available: https://jepublichealth.com/index.php/jepublichealth/article/view/34