A Modification of Bai Bithaman Ajil Instrument through Musharakah Mutanaqisah: Fixation of Robust Optimisation into Rule 78. Global Journal of Science Frontier Research, [S. l.], v. 14, n. 46, p. 17–26, 2014. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/. Acesso em: 14 nov. 2026.