“The Effect of Service Quality on Customer Satisfaction With the BTN Juara Savings Account at Bank Tabungan Negara (Persero) Tbk, Manado Branch”. Productivity 7, no. 1 (June 27, 2026): 52–57. Accessed October 6, 2026. https://ejournal.unsrat.ac.id/v3/index.php/productivity/article/view/61226.