Fitriawati, Andi, Nurhayati Nurhayati, and Lintang Kinanti Putri Widodo. 2026. “Evaluating Corporate Financial Performance Using the DuPont System: A Case Study of PT Ophthalindo Jaya”. Journal of Statistics and Data Analytics 1 (1):10-18. https://gammabeta.id/ojs/index.php/jsda/article/view/59.