Ramadhani, Nirma, et al. “ISTIQAMAH AS A MEDIATOR IN THE BDI MODEL: IMPACT ON MIDDLE-CLASS BUSINESS VENTURES IN THE CULINARY SECTOR”. Jurnal Syarikah : Jurnal Ekonomi Islam, vol. 10, no. 2, Dec. 2024, pp. 209-23, doi:10.30997/jsei.v10i2.16114.