ISLAMIC WEALTH PLANNING: THE DEVELOPMENT OF INSTRUMENT. International Journal of Islamic Business, [S. l.], v. 5, n. 2, p. 1–19, 2020. DOI: 10.32890/ijib2020.5.2.1. Disponível em: https://www.educationmalaysia.co.uk/index.php/ijib/article/view/ijib2020.5.2.1. Acesso em: 10 nov. 2025.