Hisyam, L. M., Khaerul Aqbar, and Muhammad Harsya Bachtiar. “Perbedaan Harga Bagi Pelanggan Member Dan Non Member Dalam Tinjauan Fikih Muamalah (Studi Kasus Di Toko Sentral Herbal Dan Madu Makassar)”. AL-QIBLAH: Jurnal Studi Islam Dan Bahasa Arab, Vol. 3, no. 4, July 2024, pp. 737-59, https://journal.stiba.ac.id/index.php/qiblah/article/view/1668.