M. S. Putra, A. S. Nasution, M. Maisura, and M. ZA, “Association Between Spousal Loss and Depression Among Older Adults: A Cross-Sectional Study in Geulanggang Teungoh Village, Aceh, Indonesia”, Jurnal Keperawatan Komprehensif (Comprehensive Nursing Journal), vol. 12, no. 3, pp. 504–514, Jul. 2026.