Dwi Toriyono, Muhammad. “The Validity of Sharia Contracts in Fintech-Based Financing: Reconstructing Legal Certainty and Consumer Protection in Indonesia”. Hasanah in Law, vol. 1, no. 2, Oct. 2026, pp. 67-78, https://hasanah.gerakanedukasi.com/index.php/HIL/article/view/26.