Saputra, M. R., M. Widiyanti, M. S. Shihab, and A. Maulana. “The Influence of Service Quality from PT Kereta Api Indonesia (Persero) on Customer Satisfaction at PT Bukit Asam Tbk”. International Research Journal of Management, IT and Social Sciences, vol. 11, no. 6, Nov. 2024, pp. 236-42, doi:10.21744/irjmis.v11n6.2476.