AL FARIDHO AWWAL, Muhammad. Sedekah QR (SQR): Charity System in Modern Era. Jurnal Ilmiah Ekonomi Islam, [S. l.], v. 7, n. 2, p. 942–952, 2021. DOI: 10.29040/jiei.v7i2.2197. Disponível em: https://jurnal.stie-aas.ac.id/index.php/jei/article/view/2197. Acesso em: 27 jun. 2025.