amalia, D., 		Zulkarnain, E., & 		Luthviatin, N.
2017 Sep 14.  Indikator Praktik Sehat secara Mental pada Lanjut Usia berdasarkan Dukungan Sosia Keluarga (Studi Kualitatif di Kabupaten Lumajang)   (Practical Indicators of Healthy Mental at Elderly based on Family Support  (Qualitative Study in Lumajang Regency)). Pustaka Kesehatan. [Online] 5:3