Syifa Un Nafsi, Fahmi, C. and Azmil Umur 2024. The Validity of Used Goods Auction Practices in Facebook Platform: A Study of Gharar and Tadlis Theory. JURISTA: Jurnal Hukum dan Keadilan. 8, 2 (Dec. 2024), 448–470. DOI:https://doi.org/10.22373/jurista.v8i2.195.