Sari, Revita, et al. “IB Dhuha Saving Product Analysis With Wadiah Contract at Bank Riau Kepri Bengkalis Branch”. ULIL ALBAB : Jurnal Ilmiah Multidisiplin, vol. 2, no. 5, Apr. 2023, pp. 1754-6, doi:10.56799/jim.v2i5.1491.