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 [Internet]. 2026 Nov. 5 [cited 2026 Nov. 5];3(6):1098-103. Available from: https://journal.stiba.ac.id/index.php/fikrah/article/view/3365