Aji Sayyid Khairunas. “PERLINDUNGAN PRODUK PEMBIAYAAN KPR BAGI BANK BTN SYARIAH DIY DALAM AKAD ISTISHNA”. Journal of Innovation Research and Knowledge, vol. 5, no. 5, Oct. 2025, pp. 6005-12, doi:10.53625/jirk.v5i5.11450.