Ansori, Moh. Asep Zakariya, et al. “Tinjauan Akad Muamalah Dalam Pelaksanaan Transaksi Pre-Order: Studi Kasus HIMMPRO Ekonomi Syari’ah Febi Iuqi Bogor”. As-Syirkah: Islamic Economic & Financial Journal, vol. 5, no. 1, June 2026, pp. 144 – 152, https://doi.org/10.56672/.