“LOYALITAS NASABAH PADA BAITUL MAALWATTAMWIL (BMT) BIMA DI MUNTILAN MAGELANG”, bisnisekonomi, vol. 9, no. 2, hlm. 119–129, Mar 2017, Diakses: 30 September 2026. [Daring]. Tersedia pada: https://coba.unimma.ac.id/bisnisekonomi/article/view/1213