“Keabsahan Emoji Jempol Sebagai Ṣīgah Akad Jual Beli Online di Indonesia Berdasarkan Kaidah al-‘Ādah Muḥakkamah: The Validity of the Thumbs-Up Emoji as the Ṣīghah of an Online Sale and Purchase Contract in Indonesia Based on the Maxim al-‘Ādah Muḥakkamah”, fikrah, vol. 3, no. 6, pp. 1098–1103, Nov. 2026, doi: 10.36701/fikrah.v3i6.3365.