“Socioeconomic Determinants of Healthy Ageing and the Contextual Effect of Peer Group: A Multilevel Evidence from Blora, Central Java”. Journal of Epidemiology and Public Health 4, no. 1 (January 1, 2018): 30–36. Accessed February 11, 2026. https://jepublichealth.com/index.php/jepublichealth/article/view/98.