Zulkifli, Y. S., Tahriani, R., Jibriel, D. and Swara , Y.P.W. 2015. Tinjauan Pustaka : Depresi Pada Lansia. Jurnal Kesehatan Ilmiah Indonesia (Indonesian Health Scientific Journal). 10, 2 (Dec. 2015). DOI:https://doi.org/10.51933/health.v10i2.2244.