JAAPAR, N.; MOHAMED YUSOF, M. F.; SYED ABDULLAH, S. F.; ABDUL HALIM, A. H. An Analysis of the Principles of Sustainable Income based on Kitab al-Kasb. Environment-Behaviour Proceedings Journal, [S. l.], v. 7, n. SI7, p. 83–89, 2022. DOI: 10.21834/ebpj.v7iSI7.3034. Disponível em: https://ebpj.e-iph.co.uk/index.php/EBProceedings/article/view/3034. Acesso em: 23 apr. 2024.