Erni, Dwi Regina, and Mustafa Kamal Rokan. “Strategy in Handling Problem Financing at PT. Bank Sumut Syariah KCPSY Karya”. Jurnal Ekonomi, Manajemen, Akuntansi Dan Keuangan, vol. 3, no. 2, Apr. 2022, pp. 509–514, doi:10.53697/emak.v3i2.489.