. N. R. Putri, I. S. Sukamto, A. Nugraheni, N. B. Argaheni, and I. I. Kusmawati, “Social, Spiritual, and Economic Factors Associated with Postpartum Depression among Indonesian Mothers: A Cross-Sectional Study”, Ahmar Metastasis Health J., vol. 6, no. 2, pp. 181–189, Sep. 2026.