MADANI AMIR, M. S. S.; WAZIN, W.; PERISTIWO, H. Analysis of precious metal (gold) investment management at pt. antam tbk from a sharia economic perspective. Jurnal Mantik, [S. l.], v. 8, n. 1, p. 692-703, 2024. DOI: 10.35335/mantik.v8i1.5197. Disponível em: https://iocscience.org/ejournal/index.php/mantik/article/view/5197. Acesso em: 13 jun. 2026.