Dhio Rahmadiansyah, and Nurani Hartatik. “Analisis Kepuasan Pelanggan Kereta Api Penataran”. Student Scientific Creativity Journal 1, no. 4 (June 5, 2023): 117–127. Accessed May 19, 2024. https://journal.amikveteran.ac.id/index.php/sscj/article/view/1606.