S. Syarifudin, N. Nurlailah, and A. T. R. C. Yudha, “THE ALLOCATION OF TABARRU’ FUND UNDERWRITING SURPLUS OF IPLAN SHARIA PRODUCT IN PT. ASURANSI JIWA GENERALI INDONESIA”, JESTT, vol. 7, no. 9, pp. 1804–1817, Sep. 2020.