Baihaqi. “Art 2131 Optimization Of Gold Installment Financing Akad Murabahah Agreement In Order To Improve Sharia Financial Inclucion At Bank Sharia Indonesia Meurah Dua District, Pidie Jaya Regency”. Al Mashaadir : Jurnal Ilmu Syariah, vol. 7, no. 1, June 2026, pp. 217-28, doi:10.52029/jis.v7i1.487.