“What Motivates the Gold Traders to Fulfill Zakat on Gold Compliance? Discovering the Internal and External Factors”. Adzkiya : Jurnal Hukum dan Ekonomi Syariah 11, no. 2 (Desember 17, 2023): 14–29. Diakses Agustus 23, 2025. https://e-journal.metrouniv.ac.id/adzkiya/article/view/7656.