F. D. F. S. Yasin, H. Tuli, and T. U. K. Hulopi, “The Effect of Service Quality and Financial Literacy on Customers’ Interest in Investing in Gold : (Case Study at PT Pegadaian (Persero) Kotamobagu Branch)”, MJIFM, vol. 6, no. 1, pp. 1418–1430, Apr. 2026.