Dewi Purnamasari, S., and L. Nugraha Rani. “Risk Management of DPLK Pension Funds of Sharia Financial Institutions (Evidence from a DPLK Pension Funds of Muamalat Sharia Financial Institutions)”. KnE Social Sciences, Vol. 3, no. 13, Mar. 2019, pp. 469–491, doi:10.18502/kss.v3i13.4224.