-, Kadarwati, RB. Soemanto, and Bhisma Murti. 2017. “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”. Journal of Epidemiology and Public Health 2 (1):58-69. https://jepublichealth.com/index.php/jepublichealth/article/view/34.