Wijayanti, Putri, and Lina Miftahul Jannah. “Implementation of Old Age Insurance Policy in Indonesia”. Jurnal Bina Praja 11, no. 2 (November 8, 2019): 185–195. Accessed October 4, 2025. https://jurnal.kemendagri.go.id/index.php/jbp/article/view/595.