ACHMAD, B. Bow-Tie Analysis in the Management of Tabarru’ Funds Using the Investment Adequacy Ratio (IAR) Indicator: A Case Study on the Sharia Unit of PT ABC Life. Jurnal Ilmiah Multidisiplin Indonesia (JIM-ID), [S. l.], v. 5, n. 01, p. 1–15, 2025. Disponível em: https://ejournal.seaninstitute.or.id/index.php/esaprom/article/view/7825. Acesso em: 20 jun. 2026.