Rizkiansyah A, Falikhatun F. The indications level of bankruptcy by Altman Z-Score calculation method (case study on subsidiaries of PT Kereta Api Indonesia Persero). METOD [Internet]. 2021 Mar. 20 [cited 2026 Feb. 11];1(15):89-97. Available from: https://management.znu.edu.ua/index.php/journal/article/view/243