ABDUL MALEK, N.; MOHD ARSHAD, M. N. The Informal Economy: A Neglected Area in Islamic Economics. International Journal of Economics, Management and Accounting, [S. l.], v. 25, n. 2, p. 285–314, 2017. DOI: 10.31436/ijema.v25i2.452. Disponível em: https://journals.iium.edu.my/enmjournal/index.php/enmj/article/view/452. Acesso em: 19 apr. 2024.