Marwati, Sakum, and H. A. Yaqien. “The Influence of the Health Level of Sharia Bank Using the RGEC Method on Third Party Funding and Profitability: Study at Bank Syariah Mandiri Period 2013-2020”. NUsantara Islamic Economic Journal, Vol. 2, no. 2, Aug. 2023, doi:10.34001/nuiej.v2i2.681.