Riani, Novya Zulva, et al. “Intergenerational Solidarity and Subjective Economic Vulnerability Among Older Adults in Indonesia”. Jurnal Perspektif Pembiayaan Dan Pembangunan Daerah, vol. 13, no. 6, Feb. 2026, pp. 513-27, doi:10.22437/ppd.v13i6.51914.