ZULKATRI, E.; SAMSIR, R.; ZAINUDDIN, A. F.; INDRATNO, S. W. Sharia Early Retirement Modelling Using Accrued Benefit Cost. ITB Graduate School Conference, [S. l.], v. 1, n. 1, p. 300–314, 2022. Disponível em: https://gcs.itb.ac.id/proceeding-igsc/index.php/igsc/article/view/28. Acesso em: 9 dec. 2025.