SUBEKTI, Retno; ABDURAKHMAN, Abdurakhman; ROSADI, Dedi. Can Zakat and Purification Be Employed in Portfolio Modelling?. Journal of Islamic Monetary Economics and Finance, [S. l.], v. 8, p. 1–16, 2022. DOI: 10.21098/jimf.v8i0.1418. Disponível em: https://jimf-bi.org/JIMF/article/view/1418. Acesso em: 14 feb. 2026.