HASSAN, S. S. U.; SAJID, S.; KANWEL, S. THE OBSTACLES IN REGULATING CRYPTOCURRENCIES/BITCOIN. PAKISTAN ISLAMICUS (An International Journal of Islamic & Social Sciences), Multan, Punjab, Pakistan., v. 3, n. 2, p. 288–298, 2023. Disponível em: http://pakistanislamicus.com/index.php/home/article/view/65. Acesso em: 24 jan. 2025.