Munthe, Kornel, and Obet Nego Ginting. 2021. “Effect of Quality of Service on Customer Satisfaction in Credit Union Cinta Kasih Tigapanah, Karo Regency, Indonesia”. The International Journal of Humanities & Social Studies 9 (1). https://doi.org/10.24940/theijhss/2021/v9/i1/HS2101-016.