ASRORI; SULAEMAN JAJULI; BUDI SUDRAJAT. The Effect of Contribution Income and Claim Expense on Underwriting Surplus/Deficit with Investment Results as a Moderating Variable in Sharia Life Insurance Companies Registered with the OJK for the 2018-2022 Period. Al-Kharaj: Journal of Islamic Economic and Business, [S. l.], v. 8, n. 2, 2026. DOI: 10.24256/kharaj.v8i2.10148. Disponível em: https://ejournal.iainpalopo.ac.id/index.php/alkharaj/article/view/10148. Acesso em: 22 may. 2026.