Sonia Natasya Hasugian, and Muhammad Ramadhan. “Perlindungan Konsumen Terhadap Peredaran Handphone International Mobile Equipment Identity (IMEI) Ilegal Perspektif Sadd Al- Dzari’ah”. El-Mal: Jurnal Kajian Ekonomi & Bisnis Islam 6, no. 4 (April 4, 2025): 1381 –. Accessed May 31, 2026. https://journal-laaroiba.com/ojs/index.php/elmal/article/view/7563.