Popy Wulandari, Renny Maisyarah, and Rahima Br. Purba. “The Effect of Customer Satisfaction on Financial Performance With Digital Service Systems As a Moderating Variable at PerumdaTirtanadi”. International Journal of Economics and Management Sciences 2, no. 3 (July 29, 2025): 167–174. Accessed December 12, 2025. https://international.areai.or.id/index.php/IJEMS/article/view/908.