“Implikasi Hukum Pandemi Covid-19 Terhadap Transaksi Akad Bai’As-Salam (Pre Order) Dalam Transaksi Dropship”. Jurnal Supremasi 11, no. 1 (February 26, 2021): 79–93. Accessed January 10, 2026. https://ejournal.unisbablitar.ac.id/index.php/supremasi/article/view/1093.