Daga, R., F. Nawir, and D. Pratiwi. “Strategies to Improve Service Quality Through Digitalization of Banking Services at PT. Bank Negara Indonesia (Persero) Tbk ”. Quantitative Economics and Management Studies, Vol. 2, no. 5, Mar. 2021, pp. 318–325, doi:10.35877/454RI.qems359.