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. 2026;3(6):1098-1103. doi:10.36701/fikrah.v3i6.3365