Aldi Syafri. “Analysis of the Customer Satisfaction Index (CSI) for Sales of Dynamix Ready-Mix Products in Bekasi Regency Based on ISO 20252”. Indonesian Journal of Business Analytics 6, no. 4 (August 28, 2026): 835–844. Accessed August 30, 2026. https://journal.formosapublisher.org/index.php/ijba/article/view/16665.