Nirwesti, Gayatri Waditra. “Populasi Menua Dan Urgensi Reformasi Sistem Pensiun”. Bappenas Working Papers 6, no. 3 (November 30, 2023): 335 - 347. Accessed December 3, 2024. https://workingpapers.bappenas.go.id/index.php/bwp/article/view/232.