Zulhadi, Trian, et al. “Analysis of the Effect of Contribution Income, Claims on Tabarru Funds in the Sharia Business Unit of PT. Prudential Life Assurance Indonesia, 2016-2021”. Al-Kharaj: Journal of Islamic Economic and Business, vol. 5, no. 1, Mar. 2023, doi:10.24256/kharaj.v5i1.3615.